Virtualized Conversations D. G. Petrie
Internet-Draft SIPez LLC
Intended status: Standards Track 3 March 2025
Expires: 4 September 2025
The JSON format for vCon - Conversation Data Container
draft-ietf-vcon-vcon-container-02
Abstract
A vCon is the container for data and information relating to a real-
time, human conversation. It is analogous to a [vCard] which enables
the definition, interchange and storage of an individual's various
points of contact. The data contained in a vCon may be derived from
any multimedia session, traditional phone call, video conference, SMS
or MMS message exchange, webchat or email thread. The data in the
container relating to the conversation may include Call Detail
Records (CDR), call meta data, participant identity information (e.g.
STIR PASSporT), the actual conversational data exchanged (e.g. audio,
video, text), realtime or post conversational analysis and
attachments of files exchanged during the conversation. A
standardized conversation container enables many applications,
establishes a common method of storage and interchange, and supports
identity, privacy and security efforts (see [vCon-white-paper])
About This Document
This note is to be removed before publishing as an RFC.
The latest revision of this draft can be found at https://ietf-wg-
vcon.github.io/draft-ietf-vcon-vcon-container/draft-ietf-vcon-vcon-
container.html. Status information for this document may be found at
https://datatracker.ietf.org/doc/draft-ietf-vcon-vcon-container/.
Discussion of this document takes place on the Virtualized
Conversations mailing list (mailto:vcon@ietf.org), which is archived
at https://mailarchive.ietf.org/arch/browse/vcon/. Subscribe at
https://www.ietf.org/mailman/listinfo/vcon/.
Source for this draft and an issue tracker can be found at
https://github.com/ietf-wg-vcon/draft-ietf-vcon-vcon-container.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1. What's in a vCon? . . . . . . . . . . . . . . . . . . . . 5
1.2. Use Cases and Requirements . . . . . . . . . . . . . . . 6
2. Conventions and Definitions . . . . . . . . . . . . . . . . . 8
2.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 8
2.2. JSON Notation . . . . . . . . . . . . . . . . . . . . . . 9
2.3. Inline Files . . . . . . . . . . . . . . . . . . . . . . 10
2.3.1. body . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3.2. encoding . . . . . . . . . . . . . . . . . . . . . . 10
2.4. Externally Referenced Files . . . . . . . . . . . . . . . 10
2.4.1. url . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.4.2. content_hash . . . . . . . . . . . . . . . . . . . . 11
3. vCon JSON Object . . . . . . . . . . . . . . . . . . . . . . 11
4. Unsigned Form of vCon Object . . . . . . . . . . . . . . . . 12
4.1. vCon JSON Object Keys and Values . . . . . . . . . . . . 12
4.1.1. vcon . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1.2. uuid . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.3. created_at . . . . . . . . . . . . . . . . . . . . . 13
4.1.4. updated_at . . . . . . . . . . . . . . . . . . . . . 13
4.1.5. subject . . . . . . . . . . . . . . . . . . . . . . . 14
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4.1.6. redacted . . . . . . . . . . . . . . . . . . . . . . 14
4.1.7. appended . . . . . . . . . . . . . . . . . . . . . . 17
4.1.8. group Objects Array . . . . . . . . . . . . . . . . . 18
4.1.9. parties Objects Array . . . . . . . . . . . . . . . . 19
4.1.10. dialog Objects Array . . . . . . . . . . . . . . . . 19
4.1.11. analysis Objects Array . . . . . . . . . . . . . . . 20
4.1.12. attachments Objects Array . . . . . . . . . . . . . . 20
4.2. Party Object . . . . . . . . . . . . . . . . . . . . . . 20
4.2.1. tel . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.2. stir . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.3. mailto . . . . . . . . . . . . . . . . . . . . . . . 21
4.2.4. name . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2.5. validation . . . . . . . . . . . . . . . . . . . . . 21
4.2.6. jCard . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2.7. gmlpos . . . . . . . . . . . . . . . . . . . . . . . 22
4.2.8. civicaddress . . . . . . . . . . . . . . . . . . . . 22
4.2.9. timezone . . . . . . . . . . . . . . . . . . . . . . 23
4.2.10. uuid . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2.11. role . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2.12. contact_list . . . . . . . . . . . . . . . . . . . . 24
4.3. Dialog Object . . . . . . . . . . . . . . . . . . . . . . 24
4.3.1. type . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3.2. start . . . . . . . . . . . . . . . . . . . . . . . . 25
4.3.3. duration . . . . . . . . . . . . . . . . . . . . . . 25
4.3.4. parties . . . . . . . . . . . . . . . . . . . . . . . 25
4.3.5. originator . . . . . . . . . . . . . . . . . . . . . 26
4.3.6. mediatype . . . . . . . . . . . . . . . . . . . . . . 26
4.3.7. filename . . . . . . . . . . . . . . . . . . . . . . 27
4.3.8. Dialog Content . . . . . . . . . . . . . . . . . . . 27
4.3.9. disposition . . . . . . . . . . . . . . . . . . . . . 28
4.3.10. party_history Objects Array . . . . . . . . . . . . . 28
4.3.11. Dialog Transfer . . . . . . . . . . . . . . . . . . . 29
4.3.12. campaign . . . . . . . . . . . . . . . . . . . . . . 31
4.3.13. interaction_type . . . . . . . . . . . . . . . . . . 31
4.3.14. interaction_id . . . . . . . . . . . . . . . . . . . 31
4.3.15. skill . . . . . . . . . . . . . . . . . . . . . . . . 31
4.3.16. application . . . . . . . . . . . . . . . . . . . . . 32
4.3.17. message_id . . . . . . . . . . . . . . . . . . . . . 32
4.4. Analysis Object . . . . . . . . . . . . . . . . . . . . . 32
4.4.1. type . . . . . . . . . . . . . . . . . . . . . . . . 32
4.4.2. dialog . . . . . . . . . . . . . . . . . . . . . . . 33
4.4.3. mediatype . . . . . . . . . . . . . . . . . . . . . . 33
4.4.4. filename . . . . . . . . . . . . . . . . . . . . . . 33
4.4.5. vendor . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.6. product . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.7. schema . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.8. Analysis Content . . . . . . . . . . . . . . . . . . 34
4.5. Attachment Object . . . . . . . . . . . . . . . . . . . . 35
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4.5.1. type or purpose . . . . . . . . . . . . . . . . . . . 35
4.5.2. start . . . . . . . . . . . . . . . . . . . . . . . . 35
4.5.3. party . . . . . . . . . . . . . . . . . . . . . . . . 35
4.5.4. mediatype . . . . . . . . . . . . . . . . . . . . . . 35
4.5.5. filename . . . . . . . . . . . . . . . . . . . . . . 36
4.5.6. Attachment Content . . . . . . . . . . . . . . . . . 36
4.5.7. dialog . . . . . . . . . . . . . . . . . . . . . . . 36
4.6. Group Object . . . . . . . . . . . . . . . . . . . . . . 37
5. Security Considerations . . . . . . . . . . . . . . . . . . . 38
5.1. Signing Externally Referenced Files . . . . . . . . . . . 40
5.2. Signed Form of vCon Object . . . . . . . . . . . . . . . 40
5.2.1. Signature Object . . . . . . . . . . . . . . . . . . 41
5.2.2. Header Object . . . . . . . . . . . . . . . . . . . . 41
5.3. Encrypted Form of vCon Object . . . . . . . . . . . . . . 42
5.3.1. Unprotected Object . . . . . . . . . . . . . . . . . 42
5.3.2. Recipient Object . . . . . . . . . . . . . . . . . . 43
5.3.3. Header Object . . . . . . . . . . . . . . . . . . . . 43
5.4. Differentiation of unsigned, signed and encrypted forms of
vCon . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 44
6.1. JSON Format vCon Mediatype . . . . . . . . . . . . . . . 44
6.2. gzip Format vCon Mediatype . . . . . . . . . . . . . . . 45
7. Non-Upward Compatible Changes to the vCon Container . . . . . 46
7.1. Version 0.0.1 to 0.0.2 . . . . . . . . . . . . . . . . . 46
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1. Normative References . . . . . . . . . . . . . . . . . . 46
8.2. Informative References . . . . . . . . . . . . . . . . . 48
Appendix A. Contact Center Use Cases . . . . . . . . . . . . . . 49
Appendix B. Example vCons . . . . . . . . . . . . . . . . . . . 49
B.1. Two Party Call vCon With Inline Recording . . . . . . . . 50
B.2. Text Chat vCon . . . . . . . . . . . . . . . . . . . . . 54
B.3. Email Thread Multipart vCon . . . . . . . . . . . . . . . 54
B.4. Email Thread Text vCon . . . . . . . . . . . . . . . . . 57
B.5. Two Party Call vCon With Externally Referenced
Recording . . . . . . . . . . . . . . . . . . . . . . . 59
B.6. Two Party Call vCon with Analysis . . . . . . . . . . . . 60
B.7. Signed vCon . . . . . . . . . . . . . . . . . . . . . . . 79
B.8. Encrypted vCon . . . . . . . . . . . . . . . . . . . . . 85
B.9. Redacted vCon . . . . . . . . . . . . . . . . . . . . . . 92
B.10. Appended Signed vCon . . . . . . . . . . . . . . . . . . 94
B.11. vCon Group . . . . . . . . . . . . . . . . . . . . . . . 94
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 94
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 94
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1. Introduction
The generation of conversational data, contained in transcripts and
multi-media files, is common in business, especially in customer
facing organizations. However, the storage, analysis and sharing of
the data they contain is not currently a standard. Standardizing a
container for conversation data (vCon) has numerous advantages, and
enables the management of the conversation's content. Very often the
system providing the communications service, the consumer and/or
owner of the communications data and the communications analysis
services are distinct systems and in many case separate business
entities. The point of a vCon is to provide a standard means of
exchanging communications data between these systems and services.
The use of vCons can ease service integration by using a common
container and format for enterprise communications. A vCon becomes
the standardized input to communication analysis tools and machine
learning and categorization. For a sales lead organization, a vCon
can be the container of assets sold to sales teams. For
conversations of record, the vCon can be a legal instrument. For
machine learning efforts, vCons can track what information was used
in the training of models, so that as the result of a customer
requested deletion of their data, the affected models can be
identified.
1.1. What's in a vCon?
A vCon contains four major categories of data: metadata , dialog ,
analysis and attachments. The metadata portion allows for an
expanded set of data from a typical call detail record ([CDR]), with
identifications of the participants or parties to the conversation,
references to related or earlier versions of the vCon. The dialog
portion contains a set of multimedia and media type elements, each
representing the actual, physical conversation in it's original media
form: text, audio or video. The analysis portion contains data
derived from the metadata and dialog portions, intended to carry
items like transcripts, translations, summaries, text to speech,
sentiment analysis and other semantic tagging. Finally, the
attachment portion contains any other documents, such as slide deck
or sales lead information, which provides context and support for the
conversation itself. The vCon may also container integrity checking
information such as the issuer of the vCon and tamper-proof features
such as signatures.
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A vCon acts as the definition of the conversation, and are created by
systems during and after the conversation itself. Some communication
modes, like SMS texting, lack natural session boundaries and require
explicit definition. vCons may have two or more parties involved, but
at least one should be a human. For instance, an interaction between
a bot and a human is an appropriate scope for vCons, but a
conversation between two bots would not.
Due to the size and complexity of some portions of a vCon, both
inline and externally referenced dialog, analysis, attachments and
other vCon reference assets are supported. For instance, vCons may
reference a video conference media recording as an external URL with
an accompanying content hash of the contents to detect tampering.
Alternatively, vCons may directly contain the media of the entire
dialog internally, keeping the conversation in one place, and
optionally encrypted.
vCons are designed to be a digital asset, versioned and signed. For
instance, different versions of vCon may arise due to redaction (e.g.
for PII or other reasons), added analysis or the addition of other
content. In the metadata, vCons contain the unique ID of the parent
vCon, such that they may be traversed while maintaining their data
integrity and provenance.
1.2. Use Cases and Requirements
The use cases for vCon in a contact center environment are explored
in the appendix: cc-usecases (Appendix A). These use cases and
others have led to the metadata contents of this definition of the
vCon container.
TODO: would love to see use case Internet-Drafts for ECRIT and
Messaging.
May of the initial set of use cases for vCons are expected to be in
the interchange between front end and back end application and lower
layers of the network stack, critical for enablement of analysis of
conversations. It is expected that JavaScript handling of vCons in
the front end and RESTful interfaces and back end platforms will be
used for operations and manipulation of vCons. Many media analysis
services which will be used with vCons, such as transcription,
already use JSON based interfaces. For this reason, JSON has been
chosen for the initial format binding of vCons and the scope of this
document. Other bindings (e.g. [CBOR] or [CDDL]) may be consider for
vCon in the future in other documents.
An outline of the vCon requirements derived from the explored use
case follows:
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* Standardize container for conversational data exchange
* Consolidation of data and information for a conversation
* Multiple modes of communication, changing over time
* Snapshots of conversation during or once completed along with
analysis
* Ease of integration of services and analysis
* Better organize conversational data so that it can be handled in a
consistent, privacy safer means
* Immutable
* Hiding of PII or entire conversation
* Amendable with additional information and data elements
Define a standard for exchange of conversational data in a sea of
modes, platforms and service offerings for conversations.
Example conversational modes and protocols:
* SMS
* MMS
* JABBER
* SIMPLE
* Proprietary web chat
* SMTP
* PSTN
* SIP
* WEBRTC
* Proprietary video conferencing
The following are considered not in scope or non-requirements:
* Real-time streaming or updating of conversational data
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* Transport mechanisms
* Storage or databases specifications
* Methods of redaction of text, audio or video media
* Validation of redactions or appended data beyond the signature of
the domain making the changes to the conversational data (e.g.
Merkle tree like redactions)
* Standardization of analysis data formats or file media types
2. Conventions and Definitions
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in
BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
2.1. Terminology
* analysis - analysis, transformations, summary, sentiment, or
translation typically of the dialog data
* conversation - an exchange of communication using text, audio or
video medium between at least one human and one or more bots or
humans
* de-identification - removal of all information that could identify
a party in a conversation. This includes PII as well as audio and
video recordings. Voice recordings might be re-vocalized with a
different speaker.
* dialog - the captured conversation in its original form (e.g.
text, audio or video)
* encrypted form - encrypted JWE document with the JWS signed vCon
form contained in the ciphertext
* file - a data block either included or referenced in a vCon
* object - JSON object containing key and value pairs
* parameter - JSON key and value pair
* party - an observer or participant to the conversation, either
passive or active
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* payload - the contents or bytes that make up a file
* PII - Personal Identifiable Information
* PII masked - may include voice recordings, but PII is removed from
transcripts and recordings (audio and video).
* vCon - container for conversational information
* vCon instance - a vCon populated with data for a specific
conversation
* vCon instance version - a single version of an instance of a
conversation, which may be modified to redact or append additional
information forming a subsequent vCon instance version
* vCon syntax version - the version for the data syntax used for
form a vCon
* signed form - JWS signed document with the unsigned vCon form
contained in the payload
2.2. JSON Notation
For the ease of documentation, the convention for [JSON] notation
used in this document is copied from sections 1.1-1.5 of [JMAP].
* Date - A string that MUST have the form of an [RFC3339] date
string as defined for the Date type in section 1.4 of [JMAP].
* "String" - a JSON string type
* "UnsignedInt" - a positive JSON integer as defined in section 1.3
of [JMAP].
* "UnsignedFloat" - a positive JSON floating point number containing
a decimal point as defined in section 6 of [JSON].
* "Mediatype" - A "String" value that MUST be of the following form
as defined in section 5.1 of [MIME]: type "/" subtype
* "A[]" and array of values of type A.
All parameters are assumed to be mandatory unless other wise noted.
Objects or arrays with no or null values MAY be excluded from the
vCon.
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2.3. Inline Files
Objects that contain a file or data inline (i.e. within the vCon)
MUST have the parameters: body and encoding. JSON does not support
binary data values. For this reason inline files MUST be Base64url
(see Section 2 [JWS]) encoded to be included as a valid JSON string
value if they are not already valid JSON strings.
2.3.1. body
The body parameter contains the payload of the file to be included
inline. Depending upon the data in the file, it may require encoding
to be used as a valid JSON string value.
* body: "String"
2.3.2. encoding
The encoding parameter describes the type of encoding that was
performed on the string value of the body parameter.
* encoding: "String"
This MUST be one of the following strings:
* "base64url": The payload of the file has been Base64Url encoded
and provided as the string value of the body parameter.
* "json": The value of the body string is a JSON object.
* "none": The payload of the file is a valid JSON string and can be
included without modification as the string value to the body
parameter.
2.4. Externally Referenced Files
Files and data stored externally from the vCon MUST be "signed" to
ensure that they have not been modified. Objects that refer to a
file which is externally stored from the vCon MUST have the
parameters: url, content_hash. These parameters are defined in the
following subsections. The use of [SHA-512] hash for ensuring that
the externally referenced data or file has not been modified, is
defined in this document. Other methods of ensuring integrity may be
added in the future. The following subsections define how the
specific algorithm used and how that content hash information is
included in a vCon so that the content can be verified.
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2.4.1. url
The url value contains the [HTTPS] URL where the externally
referenced file is stored. HTTPS MUST be used for retrieval to
protect the privacy of the contents of the file.
* url: "String"
2.4.2. content_hash
The integrity of externally referenced files are protected using a
hash of the external content. The algorithm and hash value are
contained in the content_hash parameter. The value of the
content_hash can be a single token or an array of tokens if multiple
hash algorithms are desired to be provided. The SHA-512 [SHA-512]
algorithm MUST be supported. Other algorithms MAY be included. The
algorithm used for signing the externally referenced file is defined
in section 6.3 and 6.4 of [SHA-512].
content_hash: "String" | String[]
The string token value(s) for the content_hash parameter use the same
approach used in section 6 of [STIR-PASS]. The relevant text is
copied here for convenience and to remove the normative dependency.
The hash string token values in the content_hash parameter are formed
from combining a string that defines the crypto algorithm used to
generate the digest along with the Base64Url Encoded value of the
SHA-512 hash, as defined in section 6.3 and 6.4 [SHA-512], of the
body of the content at the given url.
The hash algorithm is identified by "sha512". SHA-512 is part of the
SHA-2 set of cryptographic hash functions [SHA-512] defined by the US
National Institute of Standards and Technology (NIST).
Implementations MAY support additional recommended hash algorithms in
[IANA-COSE-ALG]; that is, the hash algorithm has "Yes" in the
"Recommended" column of the IANA registry. Hash algorithm
identifiers MUST use only lowercase letters, and they MUST NOT
contain hyphen characters. The character following the algorithm
string MUST be a hyphen character, "-", or ASCII 45. The subsequent
characters are the Base64Url encoded (see Section 2 [JWS]) digest of
a canonicalized and concatenated string or binary data based on the
JSON pointer referenced elements of "rcd" claim or the URI referenced
content contained in the claim.
3. vCon JSON Object
The JSON form of a vCon is contained in a JSON object in one of three
forms:
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* unsigned
* signed
* encrypted
The unsigned form of the vCon has a single top level object. This
top level vCon object is also contained as described in the signed
(Section 5.2) and encrypted (Section 5.3) forms of the vCon. The
selection of the JSON format enables interchange between application
and lower layers of the network stack, critical for enablement of
analysis of conversations.
4. Unsigned Form of vCon Object
The unsigned form of the top level vCon object is necessary as in
many cases, a vCon will be partially constructed and in process as
conversation data is collected. This may change while the
conversation is in progress or on-going. The vCon may start with
only meta data and party information, then progress to contain dialog
information. It may then get analysis added or it could be passed to
another security domain for analysis.
A vCon may be constructed across several security domains. When a
vCon is to be exported from one security domain to another, it SHOULD
be signed or encyrpted by the domain that constructed it. The
subsequent domain may have need to redact or append data to the vCon.
Alternatively the originating domain may want to redact the vCon
before providing it to an other domain. The second or subsequent
domain, MAY modify the prior vCon instance version and when complete
or exporting to another security domain, it SHOULD sign or encrypt
the new vCon instance version. The new vCon instance version SHOULD
refer to the prior vCon instance version via the redacted
(Section 4.1.6) or appended (Section 4.1.7) parameters.
4.1. vCon JSON Object Keys and Values
The keys and values for the top level vCon JSON object are defined in
the following subsections.
4.1.1. vcon
The the value of vcon parameter contains the syntactic version of the
JSON format used in the vCon.
* vcon: "String"
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For syntax defined in this document, the string MUST have the value:
"0.0.2"
4.1.2. uuid
The [UUID] for the vCon is used to refer to it when privacy or
security may not allow for inclusion or URL reference to a vCon. The
UUID MUST be globally unique.
* uuid: "String"
The value of the string SHOULD be generated using the version 8 UUID
defined in [UUID] which is generated identically to a version 7 UUID
with the exception that:
* rand_b/custom_c is generated from the high 62 bits of the SHA-1
hash of the FQHN string
* the variant and version fields are set as described for version 8
UUID
The DNS name string used in generating the uuid value SHOULD be the
same FQHN, or a subdomain to allow for more distributed generation of
UUIDs, as would used in the signing certificate as they are the same
domains of uniqueness.
4.1.3. created_at
The created_at parameter provides the creation time of this vcon,
which MUST be present, and should not changed once the vcon object is
created.
* created_at: "Date"
4.1.4. updated_at
The updated_at parameter provides the last modified time of this
vcon, which MAY be present. For unsigned forms, the updated_at of
the vcon object SHOULD be updated as it is modified. For signed
forms of the vCon object, the updated_at contains the time when this
vcon was last signed. Future updates MUST first set the updated_at
to the new signing time as the vcon object is signed again.
* updated_at: "Date"
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4.1.5. subject
The subject or the topic of the conversation is provided in the
subject parameter. This parameter is optional as not all
conversations have a defined subject. Email threads and prescheduled
calls and video conferences typically have a subject which can be
captured here. The subject may also be derived from analysis of the
dialog.
* subject: "String" (optional)
The string value of the subject parameter is a free formed JSON
string with no constrained syntax.
4.1.6. redacted
A redacted vCon SHOULD provide a reference to the unredacted or
prior, less redacted, vCon instance version of itself. The purpose
of the Redacted Object is to provide the reference to the unredacted
or less redacted version of the vCon from which this vCon was
derived. For privacy reasons, it may be necessary to redact a vCon
to construct another vCon without the PII. This allows the non-PII
portion of the vCon to still be analyzed or used in a broader scope.
The Redacted Object SHOULD contain the uuid parameter and MAY include
the vCon inline via the body and encoding parameters or alternatively
the url, content_hash parameters (see Inline Files (Section 2.3) and
Externally Referenced Files (Section 2.4)). If the unredacted vCon
is included in the body, the unredacted vCon MUST be in the encrypted
form. If a reference to the unredacted vCon is provided in the url
parameter, the access to that URL MUST be restricted to only those
who should be allowed to see the identity or PII for the redacted
vCon.
The method(s) for redaction of text, audio and video can be done with
existing post processing of media. The method of redaction is out of
scope of this document. The assurance of the accuracy of the
redaction is made by the entity that creates the redaction which
SHOULD sign the redacted version of the vCon.
All data and parameters in the prior, less redacted, vCon instance
version are either:
* Removed entirely in the redacted version
* Copied and partially redacted
* Copied as is
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Data which is to be completely removed from the redacted version,
that is contained in a JSON array in the unredacted vCon, SHOULD
create an empty placeholder such that object array indices do not
change for the rest of the elements of the array.
* redacted: "Redacted" (optional, mutually exclusive with appended
and group parameters)
A Redacted Object contains the following parameters:
* uuid: "String"
The value contains the uuid string value (Section 4.1.2) of the
unredacted/prior vCon instance version. The absence of a value for
uuid indicates that the less redacted version of this vCon is not
available or does not exist.
* type: "String"
The value of the redacted type parameter is used to indicate the type
of redaction that was performed on this vCon relative to the less
redacted version referenced by the redacted uuid parameter. This
should indicate the type of information that was redacted.
As defined in Inline Files (Section 2.3) body and encoding MAY be
included:
* body: "String"
* encoding: "String"
Alternatively, as defined in Externally Referenced Files
(Section 2.4) url SHOULD be included unless redacted and content_hash
MUST be included:
* url: "String"
* content_hash: "String" | "String[]"
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The following diagram illustrates an example partial JSON object tree
for a redacted vCon. The top level object is a JWS signed vCon which
contains a vCon in the unsigned form in the payload parameter. The
second level object is the redacted vcon which refers to the
encrypted unredacted vCon in it's redacted parameter. Note that the
redacted vCon references the JWE encrypted vCon by UUID and may
reference it by URL or direct inclusion. The JWE encrypted
unredacted vCon contains the signed version of the unredacted vCon in
the ciphertext parameter. The signed unredacted vCon contains the
unredacted vCon in the unsigned form in it's payload parameter.
--------------
Signed | JWS |
redacted vCon: | | payload parameter
| payload-|-- contains unsigned
-------------- / redacted vCon
/
------------- /
vCon which |vCon |<---
has been | | redacted parameter contains
redacted: | redacted-|-- or refers to JWE
------------- / encrypted unredacted vCon
/
/
/
/
/
/ ---------------
->| JWE | cyphertext
Encrypted signed | | parameter
unredacted vCon: | cyphertext-|--- contains
--------------- / JWS signed
/ unredacted
------------- / vCon
Signed |JWS |<-----
unredacted vcon: | | payload contains
| payload-|-- unsigned
------------- \ unredacted vCon
\ ----------
-->| vCon |
Unsigned unredacted vCon: | |
----------
Figure 1: redacted vCon object tree
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4.1.7. appended
A signed or encrypted vCon cannot be modified without invalidating
it. In these cases, to allow for adding of additional information a
new vCon instance version MUST be created. The prior vCon instance
version is referenced by the Appended Object. Then the appended
information is added to the new vCon instance version (i.e. top level
vCon object).
The prior vCon instance version SHOULD be referenced via the uuid of
the prior vCon instance version, and MAY include the body and
encoding parameters or alternatively the url and content_hash
parameters (see Inline Files (Section 2.3) and Externally Referenced
Files (Section 2.4)).
* appended: "Appended" (optional, mutually exclusive with redacted
and group parameters)
The Appended Object contains the following parameters:
* uuid: "String" (optional if inline or external reference provided)
The value contains the uuid string value (Section 4.1.2) of the
unredacted/original vCon instance version.
Alternatively, as defined in Inline Files (Section 2.3) body and
encoding MAY be included:
* body: "String"
* encoding: "String"
Alternatively, as defined in Externally Referenced Files
(Section 2.4) url and content_hash MAY be included:
* url: "String"
* content_hash: "String" | "String[]"
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The following figure illustrates an example partial JSON object tree
for an appended vCon. The top level object is the JWS signed
appended vCon which contains the unsigned form of the vCon in it's
payload parameter. The second level object is the appended vCon with
additional conversational data (e.g. analysis data). It refers to
its original parent (or prior vCon instance version) of the vCon in
its appended parameter. Note: the appended parameter may include the
original in the body parameter or refer to it via URL. The appended
vCon in this figure refers to the JWS signed version of the vCon,
which in turn contains the original vCon in unsigned form in its
payload parameter.
--------------
Signed | JWS |
appended vCon: | | payload parameter
| payload-|-- contains unsigned
-------------- / appended vCon
/
------------- /
vCon with |vCon |<---
appended | | appended parameter contains
data: | appended-|--- or refers to JWS
| analysis | / signed original vCon
------------- / along with additional
/ conversational data
/ (e.g. analysis)
/
/
/
/ ------------
->| JWS | payload
Encrypted signed | | parameter
original vCon: | payload-|--- contains
------------ / unsigned
/ original
------------- / vCon
Original vCon: |vCon |<--
| |
| parties |
| dialog |
-------------
Figure 2: appended vCon object tree
4.1.8. group Objects Array
The scope of a conversation is defined by the observer. It may be
any of the following in this non-exhaustive list:
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* a quick text exchange
* a simple 2-way call
* an evolving group chat
* a class lecture and question and answer session
* a web chat, evolving to a 2 way call, progressing to a transferred
3-way call transitioning to a video conference
* a series of weekly status calls
In support of these constructs, it may be desirable to aggregate a
group of vCons as opposed to including all of the dialog in a single
vCon. The conversations may be over heterogeneous or homogeneous
medium. A vCon MAY aggregated a group of vCon instances in the group
array, using a Group Object for each vCon instance.
* group: "Group[]" (optional, mutually exclusive with redacted and
appended parameters)
The group array contains a Group Object (Section 4.6) for each vCon.
4.1.9. parties Objects Array
The name, identity or contact information of all of the parties
involved with the conversation are included in the parties object
array. Whether the parties were observers, passive or active
participants in the conversation, they each are included as a Party
Object in the parties array.
TODO: Should this be a object not an array to make it easier to
append parties (i.e. indices of append vCons change when appended)?
* parties: "Party[]"
The value of the parties parameter is an array of Party Objects
(Section 4.2).
4.1.10. dialog Objects Array
The actual conversation which occurred over text, audio or video that
was captured, is contained in the dialog Objects Array.
* dialog: "Dialog[]" (optional)
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The value of the dialog parameter is an array of Dialog Objects
(Section 4.3).
4.1.11. analysis Objects Array
Analysis, which is performed on the conversational data, is stored in
the analysis Objects array.
* analysis: "Analysis[]" (optional)
The value of the analysis parameter is an array of Analysis Objects
(Section 4.4).
4.1.12. attachments Objects Array
Ancillary documents, discussed, presented, referenced or related to
the conversation may be stored in the attachments array.
* attachments: "Attachment[]" (optional)
The value of the attachments parameter is an array of Attachment
Objects (Section 4.5).
4.2. Party Object
4.2.1. tel
If the tel URL for the party is known, it can be included in the tel
parameter.
* tel: "String" (optional)
The value of the tel parameter SHOULD be a valid [TEL] URL. The URL
scheme prefix (i.e. "tel:") is optional.
4.2.2. stir
If the STIR [PASSporT] was provided to identify the party, the
PASSporT can be included in the stir parameter for the party.
* stir: "String" (optional)
The string value of the stir parameter contains the [PASSporT] in the
JWS Compact Serialization form.
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4.2.3. mailto
If the mailto URL is known for the party, it can be included in the
mailto parameter.
* mailto: "String" (optional)
The value of the mailto parameter is a string of the format of a
valid [MAILTO] URL. The URL scheme prefix (i.e. "mailto:") is
optional.
4.2.4. name
If the party's name is known, it can be included in the name
parameter.
* name: "String" (optional)
The string value of the name parameter is a free form JSON string in
which part or all of the party's name can be included.
4.2.5. validation
Proof of authorization of the communication channel through STIR,
login or possession of a device, is often not sufficient proof of the
identity of the person at the other end of the communications
channel. It is common in call centers to validate the identity of
the person on the communication channel through verification of some
sort of personal identification information. The methods used, often
varies with the situation and is business practices specific. The
purpose of the validation parameter, is to allow the validator to
save a label or token which identifies the method of identity
validation used to identify the person at the other end of the
communication channel. For confidentially reasons, it SHOULD NOT
contain the data used to validate the name. However it MAY name the
data used to validate the name (e.g. "SSN", "DOB", "user ID and
password"). It is up to the domain creating the vCon to define the
set of tokens or values to be used for the validation parameter.
* validation: "String" (SHOULD be provided if name parameter is
provided)
The value of the validation string MAY be "none" or enterprise or
domain defined token or string values.
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4.2.6. jCard
TODO: Do we want to support including a jCard for the party?
4.2.7. gmlpos
If the geolocation of the party is known, it can be added in the
gmlpos parameter. The gmlpos parameter contains the latitude and
longitude of the location of the party at the time of the
conversation start.
* gmlpos: "String" (optional)
The gmlpos parameter value contains a string of the same format as
the gml:pos element defined in section 3.2 of the [PIDF-LO] PIDF.
4.2.8. civicaddress
The the civicaddress parameter value contains a Civicaddress Object
which is optional and contains civic address information about the
location for the party.
* civicaddress: "Civicaddress" (optional)
The Civicaddress Object MAY contain any or all of the following
parameters: country, a1, a2, a3, a4, a5, a6, prd, pod, sts, hno, hns,
lmk, loc, flr, nam, pc as defined in section 2.2.1 of [GEOPRIV]. The
values of all of these parameters are of type String. Note that the
parameter names MUST be in lower case when contained in the
Civicaddress Object even though they are in upper case in [GEOPRIV].
* country: "String" (optional)
* a1: "String" (optional)
* a2: "String" (optional)
* a3: "String" (optional)
* a4: "String" (optional)
* a5: "String" (optional)
* a6: "String" (optional)
* prd: "String" (optional)
* pod: "String" (optional)
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* sts: "String" (optional)
* hno: "String" (optional)
* hns: "String" (optional)
* lmk: "String" (optional)
* loc: "String" (optional)
* flr: "String" (optional)
* nam: "String" (optional)
* pc: "String" (optional)
TODO: Do we need RFC6848 civic address extensions?
TODO: Is there a need for any temporal location? For example should
location be an array, each element with a time stamp?
TODO: Do we just specify for the start of the conversation?
4.2.9. timezone
TODO: timezone for the location of the party?
4.2.10. uuid
The uuid is a unique identifier for the participant. In a contact
center, this is particularly important for the call agent
participant, and must be static across interactions to allow
correlation with the actual agent configuration provisioned into the
systems.
* uuid: "String" (optional)
4.2.11. role
The role that the participant played in the conversation. In a call
center there are roles: such as: agents, customer, supervisor and
specialist. In conferences there are roles: host, cohost, speaker,
panelist, participant and other roles. The role parameter provides
the ability to label the role that the part played in the
conversation.
* role: "String" (optional)
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The following values for the role parameter MAY be used:
* "agent"
* "customer"
* "supervisor"
* "sme" (for subject mater expert)
* "thirdparty"
Other values for the role parameter MAY also be used.
4.2.12. contact_list
In a contact center scenario, the conversation with this party may be
part of a larger effort of contacting a group of parties,
individually or perhaps in groups. It is sometimes useful to
reference the list from which this party was included. The
contact_list may be used as a label for foreign key reference to the
contact list that this party was on.
* contact_list "String" (optional)
4.3. Dialog Object
The Dialog object references or contains text, audio or video
captured from the conversation. Currently two types of dialog
objects are defined in this document. One for text media and the
other for audio or video recording files.
TODO: Is there other signalling data that we want to capture other
than start and duration and the media (e.g. from jabber, sms, mms,
email, SIP, etc.)?
4.3.1. type
* type: "String"
The sting MUST have the value of either "recording", "text",
"transfer" or "incomplete". A dialog of type "recording" has Dialog
Content that either contains a body or refers to via url, which is a
recording of the video and/or audio of a segment of the conversation.
A dialog of type "text" had has Dialog Content that either contains a
body or refers to via url, which contains the text from one of the
parties for a segment of the conversation. A dialog of type
"transfer" does not capture actual conversation exchange, but rather
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captures operations, parties and relations between dialog segments.
A dialog of type "incomplete" or "transfer" MUST NOT have Dialog
Content. In the "incomplete" case the call or conversation failed to
be setup to the point of exchanging any conversation. Incomplete
dialogs MUST have a disposition parameter which indicates why the
call or conversations failed. In the "transfer" case, the
conversation is recorded in other dialogs. The Dialog Transfer
parameters, are used to show the roles and relationships between the
parties and other dialogs as the transfer process occurred.
4.3.2. start
The start parameter contains the date and time for the beginning of
the captured piece of dialog. For text it is the time that the party
started typing or if not available, then it is the time the text was
sent. For audio and video recordings, it is the time which
corresponds to the beginning of the recording.
* start: "Date"
4.3.3. duration
The duration parameter contains the duration in seconds of the
referenced or included piece of dialog. For text, if known, it is
the time duration from when the party started typing to when they
completed typing and the text was sent. For recordings, it is the
duration of the recording.
* duration: "UnsignedInt" | "UnsignedFloat" (optional)
The value MUST be the dialog duration in seconds.
4.3.4. parties
The party(s) which generated the text or recording for this piece of
dialog are indicated in the parties parameter.
* parties: "UnsignedInt" | "UnsignedInt[]" | ("UnsignedInt" |
"UnsignedInt[]")[]
Single channel recordings should have a parties value of the form:
"UnisignedInt" or "UnsignedInt[]" where the integer value or array of
integer values are the indices to the Party Object(s) in the parties
array that contributed to the mix for the single channel recording.
The index for the Party Object SHOULD be included even if the
indicated party was silent the entire piece of dialog.
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Multi-channel recordings MUST have a parties value that is an array
of the same size as the number of channels in the recording. The
values in that array are either an integer or an array of integers
which are the indices to the parties that contributed to the mix for
the associated channel of the recording. The index for Party Objects
SHOULD be included even if the party was silent the entire
conversation.
It is implied that the first party in the dialog Object parties list,
is the originator of the dialog. However, in some situations, it is
difficult to impose the constraint that the first channel of a
recording is the originator. If ensuring that the first channel and
party listed is the originator is not possible, the optional
originator parameter indicates the originator party. In other cases,
there may be a separate recording file for each party in a
conversation, where only one party is recorded per file. In this
situation, it is necessary to indicate the originator as the dialog
Object parties parameter will contain only one party and may not be
the originator.
TODO: For an email thread, To and Cc parties are all passive. Do we
just put the sender as the party or do we want to list all of the
recipients and by convention the sender is the first party? Note
that each dialog/email could have a difference set of recipients.
4.3.5. originator
The originator party for this dialog. For email and text, this is
the sender of the text. For audio and video, this is the caller or
host of the call or conference. The originator parameter is only
provided if the first party of the dialog Object parties list is NOT
the originator.
* originator: "UnsignedInt" (optional)
The originator value is the index into the parties Objects Array, to
the party that originated the dialog.
4.3.6. mediatype
The media type for the piece of dialog included or referenced is
provided in the mediatype parameter. The mediatype parameter MUST be
provided for inline dialog files and MUST be provided if the Content-
Type header in the [HTTPS] response for the externally referenced URL
is not provided.
* mediatype: "Mediatype" (optional for externally referenced files,
if absent, this is provided in the [HTTPS] Content-Type header)
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The media types SHOULD be one of the following strings:
* "text/plain"
* "audio/x-wav"
* "audio/x-mp3"
* "audio/x-mp4"
* "audio/ogg"
* "video/x-mp4"
* "video/ogg"
* "multipart/mixed"
Note: multi-part will also likely include the boundary parameter
4.3.7. filename
It is sometimes useful to preserve the name of the file which
originally contained this piece of dialog. This can be done in the
filename parameter.
* filename: "String" (optional)
4.3.8. Dialog Content
The Dialog Object SHOULD contain the body and encoding parameters or
the url and content_hash parameters for all dialog types other than
"incomplete" and "transfer", these parameters MUST NOT be present for
"incomplete" or "transfer" dialog types (see Inline Files
(Section 2.3) and Externally Referenced Files (Section 2.4)). The
exception to this is that the body or url MAY be absent if it is
redacted.
For inline included dialog:
* body: "String" (optional in an a redacted vCon)
* encoding: "String"
Alternatively, for externally referenced dialog:
* url: "String" (optional in an a redacted vCon)
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* content_hash: "String" | "String[]"
4.3.9. disposition
If the dialog type is "incomplete", it must have a disposition
parameter. The value of the disposition parameter provides the
reason that the "call control" failed. The term: "call control" is
used in a loose sense, as there in not always a call involved, to
differentiate from a call disposition that an agent may assign to a
call to indicate the reason, issue addressed or outcome of a
conversation. This latter definition of call disposition is not
dialog, but analysis of the conversation and is not included in the
dialog portion.
* disposition: "String" (required for incomplete type dialogs,
SHOULD NOT be present for other dialog types)
The value of the disposition parameter MUST be one of the following
string:
* "no-answer" - a call or connection was attempted, but no one
answered or accepted the connection
* "congestion" - a call or connection was attempted, but was unable
to be completed due to system load
* "failed" - a call or connection was attempted, but failed
* "busy" - a call or connection was attempted, but the party was
busy with another conversation
* "hung-up" - a call or connection was made, but the party hung-up
before any conversation occurred
* "voicemail-no-message" - a call or connection was made, the
voicemail system answered, but no message was left
Note: if a message was left with the voicemail system this is no
longer an "incomplete" type dialog, it is a "recording" type and
the conversation SHOULD be included in the Dialog Content.
4.3.10. party_history Objects Array
Participants in a dialog may not all join and leave at the same time.
To support the capturing of the information when parties join, drop,
go on hold or mute and unmute, the party_history array may be added
to the Dialog Object.
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* party_history: "Party_History[]" (optional)
4.3.10.1. Party_History Object
The Party_History Object contains the following parameters:
* party: "UnsignedInt"
The index of the party for this event.
* event: "String"
The string token for the event which MUST be one of the following:
* "join" - when the party joins the dialog
* "drop" - when the party drops out of the dialog
* "hold" - when the party is put on hold
* "unhold" - when the part is taken off hold
* "mute" - when the party is muted
* "unmute" - when the part is taken off mute
* time: "Date"
4.3.11. Dialog Transfer
A dialog of type "transfer" documents the rolls of three parties and
the relationship between 2 or three dialog segments. In a transfer
operation, the roles of the three parties to a transfer are defined
in [SIP-XFER] as:
* Transferee
* Transferor
* Transfer Target
There are two or three calls in which the parties are connected:
* original call
* consultative call (optional as this call may not get created)
* target call
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To capture the above roles and dialog segments, the following
parameters are defined and SHOULD be present in the "transfer" type
dialog and MUST NOT be present in other dialog types.
* transferee: "UnsignedInt"
The value of the transferee parameter is the index into the parties
Object array to the party that played the role of the Transferee.
* transferor: "UnsignedInt"
The value of the transferor parameter is the index into the parties
Object array to the party that played the role of the Transferor.
* transfer-target: "UnsignedInt"
The value of the transfer-target parameter is the index into the
parties Object array to the party that played the role of the
Transfer Target.
* original: "UnsignedInt"
The value of the original parameter is the index into the dialogs
Object array to the "recording" or "text" type dialog for the
original dialog between the Transferee and the Transferor.
* consultation: "UnsignedInt" (optional)
The value of the consultation parameter is the index into the dialogs
Object array to the "recording", "text" or "incomplete" type dialog
for the consultative dialog between the Transferor and the Transfer
Target.
* target-dialog: "UnsignedInt"
The value of the target-dialog parameter is the index into the
dialogs Object array to the "recording", "text" or "incomplete" type
dialog for the target dialog between the Transferee and the Transfer
Target.
A "transfer" type dialog MUST NOT contain the parties, originator,
mediatype, filename or Dialog Content parameters.
The "transfer" type dialog only captures the roles, operations and
events of the parties and the dialog setup. It does not capture the
purpose or reason for the transfer as that is analysis to be captures
in the analysis section of the Vcon after the conversation has
occurred.
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4.3.12. campaign
In a contact center scenario, a dialog may be initiated as part of a
campaign or set of dialogs initiated with a common goal or focus or
to be handled or treated in a specific way. The campaign parameter
is string that may be used as a label or foreign key in reference to
an external specification for how the communication is to be
initiated, handled or treated. In some case it may be appropriate to
attached the campaign data as an Attachment Object.
* campaign: "String" (optional)
4.3.13. interaction_type
* interaction_type "String" (optional)
TODO: add enumerated values from JDR
4.3.14. interaction_id
In a contact center scenario, interactions with a party are often
labeled with an identifier. In some case the interaction is
contained in a single dialog. In others there may be multiple
dialogs (e.g. messages or calls) that are all part of a single
interaction. There may also be many interactions for a single
conversation or vCon. The interaction parameter is used as a label
or foreign key in reference to the interaction ID.
* interaction_id "String" (optional)
4.3.15. skill
A contact center may service multiple purposes or customers. In this
scenario it is important to label the conversation segment or dialog.
The agent or automata which services the dialog are required to have
a specific skill. To facilitate this in a vCon dialog, the skill
parameter is provided. The string values of the skill parameter are
contact center specific.
* skill "String" (optional)
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4.3.16. application
The application parameter is used to capture the application,
communication channel or context over which the conversation was
held. The conversation mode can be identified by looking at the
dialog type. However that does not different between different
communication platform service providers or hosting service. For
example, the application parameter can be used to identify the web
conference hosting service.
* application "String" (optional)
4.3.17. message_id
Some messaging systems assign a unique message identifier to each
message. The message_id parameter may be used to label the message
for either cross referencing back to the messaging system or to
prevent the addition of duplicate messages to the vCon. For example
SMTP [SMTP] messages have a message-id in the SMTP header. In the
SMTP case a message may exist in multiple mailboxes or tags. When
exporting these SMTP messages, the message_id parameter may be used
to avoid adding the same message, to the vCon containing the email
thread, more than once.
* message_id: "string" (optional)
4.4. Analysis Object
Analysis is a broad and in some cases developing field. This
document does not attempt to suggest a SHOULD support list of types.
Nor are formats for analysis data defined in this document. That is
for research and specification outside the scope of this document.
For this reason the Analysis Object provides multiple ways to define
the media type of the analysis file. If a well known media type is
defined, it SHOULD be used. For analysis data or files types for
which a media type is not defined, the vendor and schema parameters
SHOULD be used.
4.4.1. type
The type parameter is used to label the semantic type of analysis
data.
* type: "String"
The string value SHOULD be one of the following:
* "summary"
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* "transcript"
* "translation"
* "sentiment"
* "tts"
4.4.2. dialog
Analysis typically pertains to one or more of the Dialog Objects in
the dialog array. The dialog parameter is used to indicate which
Dialog Objects this analysis was based upon.
* dialog: "UnsignedInt" | "UnsignedInt[]" (optional only if the
analysis was not derived from any of the dialog)
The value of the dialog parameter is the index to the dialog or array
of indices to dialogs in the dialog array to which this analysis
object corresponds.
4.4.3. mediatype
The media type for the included or referenced analysis file is
provided in the mediatype parameter.
* mediatype: "Mediatype" (optional for externally referenced files,
if absent, this is provided in the [HTTPS] Content-Type header)
The mediatype string contains the media type or [MIME] type of the
analysis file.
4.4.4. filename
It is sometimes useful to preserve the name of the file which
originally contained this analysis data. This can be done in the
filename parameter.
* filename: "String" (optional)
The file name string contains an optional name for the analysis data
file referenced in this Analysis Object.
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4.4.5. vendor
There may not be a IANA registered media type for the file format
containing the analysis data. Even if a media type is defined, it is
often useful to keep a record of the vendor that produced the
software that produced the analysis. Different implementations
perform differently and knowing the implementation can be useful in
interpreting the analysis. For this reason, the vendor or product
name is provided in the vendor parameter.
* vendor: "String"
The vendor string value contains the vendor or product name of the
software which generated this analysis.
4.4.6. product
As the vendor may have more than one product, the product parameter
may be used to differentiate it from other products which may have
different schemas of analysis data.
* product: "string" (optional)
4.4.7. schema
The same vendor or software product may produce different formats or
data for the same analysis. The schema parameter allows the data
format, schema or configuration used to generate the analysis to be
saved with the included or referenced analysis data.
* schema: "String" (optional)
The schema string contains a token or label for the data format or
schema for the analysis data. As the vendor name may not be specific
enough to identify the format of the analysis, the schema value is
provide to differentiate from potentially multiple data formats for
analysis provided by the same vendor or software.
4.4.8. Analysis Content
The Analysis Object SHOULD contain the body and encoding parameters
or the url and content_hash parameters (see Inline Files
(Section 2.3) and Externally Referenced Files (Section 2.4)). The
exception to this is that the body or url MAY be absent if it is
redacted.
For inline included analysis:
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* body: "String"
* encoding: "String"
Alternatively, for externally referenced analysis:
* url: "String"
* content_hash: "String" | "String[]"
4.5. Attachment Object
Ancillary documents to the conversation are included or referenced in
the Attachment Object. There is no constraint on the types files
which can be included or referenced. As most modes of communication,
that allow the exchange of files, do not constrain the file type, any
file type may be included here.
4.5.1. type or purpose
TODO: Do we want a semantic type like: contract or presentation? Or
a subject or title.
4.5.2. start
The start parameter contains the date and time that the Attachment
Object was sent/exchanged.
* start: "Date"
4.5.3. party
In most conversations, ancillary documents originate from one of the
parties to the conversation. This is not necessarily the author, but
the person who distributed the document. This party is identified by
the party parameter in the Attachment Object.
* party: "UnsignedInt"
The value of the party parameter is the index into the Parties Object
array to the party that contributed the attachment.
4.5.4. mediatype
The media type for the included or referenced attachment file is
provided in the mediatype parameter.
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* mediatype: "Mediatype" (optional for externally referenced files,
if absent, this is provided in the [HTTPS] Content-Type header)
The mediatype string contains the media type or [MIME] type of the
attached file.
4.5.5. filename
It is sometimes useful to preserve the name of the file which
originally contained this attachment file. This can be done in the
filename parameter.
* filename: "String" (optional)
The file name string contains an optional name for the attachment
file referenced in this Attachment Object.
4.5.6. Attachment Content
The Attachment Object SHOULD contain the body and encoding parameters
or the url and content_hash parameters (see Inline Files
(Section 2.3) and Externally Referenced Files (Section 2.4)). The
exception to this is that the body or url MAY be absent if it is
redacted.
For inline included attachments:
* body: "String"
* encoding: "String"
Alternatively, for externally referenced attachments:
* url: "String"
* content_hash: "String" | "String[]"
4.5.7. dialog
Attachments are added as data related to the dialog. The dialog
parameter is used to identify the dialog that the attachment is part
of. The dialog is identified by the index to the dialog Object in
the dialog objects array.
* dialog: "UnsignedInt"
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4.6. Group Object
A conversation may have take place using different modes (e.g. web
chat which evolves to email, which evolves to phone call, which
evolves to video conference). A conversation could take place over
several calls (e.g. multiple calls regarding a support incident or
problem). Each of these examples might be considered a single
conversation event though there are multiple sets of dialog in each.
What is considered the boundary of a conversation is a business
decision. There are situations in the above example, where it is
desired to treat these as a single conversation, but each set of
dialog is created in a single vCon (e.g. each dialog occurred in a
separate communication silo or security domain) which gets signed.
For this reason, it may be necessary to aggregate the separate vCon
into a single vCon which is considered the whole of a conversation.
The Group Object includes or refers to a vCon to be aggregated into
the whole of a single vCon conversation.
The Group Object SHOULD contain the uuid and either the body and
encoding parameters or the url content_hash parameters (see Inline
Files (Section 2.3) and Externally Referenced Files (Section 2.4)).
The vCon MAY be referenced via UUID:
* uuid: "String"
The value of the uuid parameter, is the uuid string value
(Section 4.1.2) of the referenced vCon to be aggregated.
The vCon MAY be included in line as the value of the body parameter.
The encoding parameter MUST be included with the body parameter, if
provided, to describe the encoding of the vCon body.
* body: "vCon"
The JSON unsigned form of the vCon, the JWS signed form of the vCon
or the JWE encrypted form of the vCon.
* encoding: "String"
The encoding string MUST have the value: "json".
Alternatively, the vCon can be externally referenced. The url and
content_hash parameters and values are defined in Externally
Referenced Files (Section 2.4).
* url: "String"
* content_hash: "String" | "String[]"
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5. Security Considerations
The security concerns for vCons can put into two categories: making
the conversation immutable through integrity verification and
protecting the confidentiality of privacy of the parties to the
conversation and/or their PII. These requirements along with need to
evolve a vCon (e.g. adding analysis, translations and transcriptions)
conflict in some ways. To enable this, multiple versions of a vCon
may be created. Versions of a vCon may add information (e.g.
analysis added to a prior vCon referenced by the appended
(Section 4.1.7)) and versions that remove information (e.g.
redactions of privacy information removed from the vCon referenced in
the redacted (Section 4.1.6)). Redactions may be at different levels
for example:
* PII masked to remove PII data in the text, audio, video or
transcripts
* De-identified to remove segments or whole recordings that might be
used for voice printing or facial recognition
Different parts and versions of a vCon may be created in different
security domains over a period of time. In addition, some
conversation data may be referenced externally through an HTTPS URL
as opposed to completely contained within the vCon. Typically a
conversation of one mode, will be hosted or observed in a single
domain. This will likely fall into one of the following hosting
situations:
* Enterprise Hosted Communications
* Software as a Service (SaaS) Hosted Communications
* Service Provider Hosted Communications
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The distinction among these has gotten clouded over recent years.
The import consideration is that each is a different security domain.
Information about a conversation captured in an enterprise
communications system (e.g. meta data and Dialog Object(s) recorded
in an IP PBX) is a different security domain from a SaaS
transcription service (i.e. an Analysis Object). Before a vCon
leaves a security domain, it SHOULD be signed to prevent it from
being altered. If the new security domain needs to alter it, a new
vCon is created with the removed or added data and the prior version
is referenced (i.e. via the redacted (Section 4.1.6) or appended
(Section 4.1.7)). See the redacted vCon object tree figure-1 and
appended vCon object tree figure-2. If information is redacted for
privacy reasons, the vCon referenced in the redacted (Section 4.1.6),
if inline, SHOULD be encrypted to protect the privacy information in
the unredacted version of the vCon.
The secure storage and access of externally referenced conversation
data is considered out of scope from this document. Secure
mechanisms for HTTPS access and storage of files are well defined.
Identity and credentials for accessing externally stored data will be
exchanged out of band from the vCon. The one requirement for
externally referenced data from the perspective of this document, is
proof of integrity of that data.
Using the above described approach for redaction and appending of
data, we can reduce the security operations on a vCon to signing and
encryption. Two approaches to signing are needed as we have data, in
JSON format, that is contained within the vCon and may have data
(typically media and file formats, often binary) not contained,
inline in the vCon, that is externally referenced.
Externally referenced data will be "signed" using [SHA-512] hash
which along with the URL of the externally referenced data is
included in the vCon. [SHA-512] was chosen due to the relatively low
cost to generate and verify the signature for what could be very
large externally referenced media files. As the hash for each
externally referenced file is contained in the vCon which will be
signed, the chain of authentication is provided via the signature on
the vCon itself.
This document specifies the JSON format for vCons. So it seemed the
logical solution for signing vCons, is JOSE [JWS] JSON Serialization
and likewise for encrypting vCons is JOSE [JWE] JSON Serialization.
The solutions are well documents, implementations are readily
available and tested.
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Methods of redaction exist for text, audio and video using post
processing of the media. The method of redaction used is out of the
scope of this document. A redacted vCon SHOULD reference it's non-
redacted version. The non-redacted version of the vCon referenced
from the redacted vCon MUST be encrypted such that only those with
permission to view the non-redacted content can decrypt it.
Any time a vCon is shared outside its original security domain, it
SHOULD be signed and optionally encrypted. Files externally
referenced by a vCon SHOULD always be signed with the verification
information included in the vCon that references the external file as
defined in Externally Referenced Files (Section 2.4) and Signing
Externally Referenced Files (Section 5.1). Externally referenced
files SHOULD only be transported over [HTTPS] and SHOULD be access
controlled to those who are permitted to read the contents of that
non-redacted vCon. vCons transported over non-secure channels such as
email MUST be in the encrypted form.
5.1. Signing Externally Referenced Files
In some deployments, it is not practical to include all of the file
contents of a vCon inline. In support of that, a file may be
externally referenced. When external files are referenced, the
signature on the vCon does not secure the file contents from
modification. For this reason any externally referenced files SHOULD
also have a signature. vCons use the [SHA-512] hash method for
integrity checking of externally referenced file content and include
its url and content_hash in the vCon which are included in the
integrity signature for the whole vCon.
After retrieving externally referenced files, before using its
content, the payload of the HTTPS request should be verified using
the signature parameter value for the hash for the url body using the
procedure defined in section 6.3 and 6.4 of [SHA-512].
5.2. Signed Form of vCon Object
A signed vCon uses [JWS] and takes the General JWS JSON Serialization
Syntax form as defined in section 7.2.1 of [JWS]. The vCon General
JWS JSON Serialization MUST include x5c or x5u in the unprotected
header.
* payload: "String"
The value of the payload is the Base64Url Encoded string containing
the unsigned form of the JSON vCon. The general construction of the
payload string value is described in section 7.2.1 of [JWK]
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* signatures "Signature[]"
The value of signatures is an array of Signature Objects
(Section 5.2.1)
5.2.1. Signature Object
The Signature Object MUST contain a header, protected and signature
parameter as defined in section 7.2.1 of [JWS].
* header: "Header"
The value of header is defined in Header Object (Section 5.2.2)
* protected: "String"
* signature" "String"
5.2.2. Header Object
The Header Object and its contents are defined in section 4 of [JWS].
The Header Object for a signed vCon MUST include the alg and either
the x5c or x5u arrays. The x5c or x5u requirement makes the
management and use of vCons easier, allowing the certificate chain to
be found as the vCon is moved.
* alg: "String"
The string value of alg is defined in section 4.1.1 of [JWS]. For a
signed vCon this value SHOULD be "RS256" to maximize
interoperability.
* x5c: "String[]" (MUST provide x5c or x5u)
The array of string values for x5c are defined in section 4.1.6 of
[JWS].
* x5u: "String" (MUST provide x5c or x5u)
The string value of x5u MUST contain an [HTTPS] URL as defined in
section 4.1.5 of [JWS].
* uuid: "String" (SHOULD be provided)
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The string value of the UUID for the vCon contained in the payload
parameter. This is added for convenience to not require verification
of the signed vCon to get it's UUID. When the vCon is verified, the
value of this uuid parameter SHOULD be verified against the UUID in
the signed vCon.
TODO: How to deal with expired signatures?
5.3. Encrypted Form of vCon Object
TODO: Check this terminology:
A vCon MUST be signed first using JWS as defined in Signed Form of
vCon Object (Section 5.2), then encrypted using JWE as opposed to
just encrypted with integrity protection. The rationale is that meta
data and dialog will typically be collected in one security domain,
then may be stored or exported to another. The signing is likely for
the lifetime of the vCon, where the encryption may be shorter term or
domain specific. vCons may be stored in unencrypted form, but the
signed form MUST be maintained to ensure its integrity.
A encrypted vCon uses [JWE] and takes the General JWE JSON
Serialization Syntax form as defined in section 7.2.1 of [JWE].
* unprotected: "Unprotected"
* recipients: "Recipient[]"
* iv: "String"
The string value of iv is the Initialization Vector as constructed as
defined in section 7.2.1 of [JWE].
* ciphertext: "String"
The string value of ciphertext is constructed as defined in section
7.2.1 of [JWE] using the signed form of the vCon as the plaintext
input for encryption.
* tag: "String"
The string value of tag is the the Authentication Tag as defined in
section 7.2.1 of [JWE].
5.3.1. Unprotected Object
* cty: "String"
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The string value of cty SHOULD be "application/vcon"
* enc: "String"
The string value of enc SHOULD be "A256CBC-HS512"
* uuid: "String" (SHOULD be provided)
The string value of the UUID for the vCon contained in the ciphertext
parameter. This is provided for identification of the encrypted vCon
without the need of the key to decrypt the vCon. The value of this
uuid parameter SHOULD be verified when the vCon is decrypted.
5.3.2. Recipient Object
* header: "Header"
* encrypted_key: "String"
The string value of encrypted_key is defined in section 7.2.1 of
[JWE].
5.3.3. Header Object
* alg: "String"
The string value of alg SHOULD be "RSA-OAEP".
5.4. Differentiation of unsigned, signed and encrypted forms of vCon
vCons in the unsigned, signed and encrypted form are all valid JSON.
It is necessary to distinguish which form a vCon is in order to
properly handle it. For example a signed vCon needs to be verified.
The following is the recommended approaches to identifying which form
a particular vCon is in:
* unsigned
The presence of one or more of the following parameters indicates
that the vCon is in the unsigned form:
- parties
- dialog
- analysis
- attachments
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* signed (JWS)
The presence of both of the following parameters indicates that
the vCon is in the signed (JWS) form:
- payload
- signatures
* encrypted (JWE)
The presence of both of the following parameters indicates that
the vCon is in the encrypted (JWE) form:
- ciphertext
- recipients
6. IANA Considerations
This section includes the information required for IANA to register
the application/vcon media type per [MEDIATYPE].
6.1. JSON Format vCon Mediatype
The JSON format for vCon is mandatory to implement.
* Type name: application
* Subtype name: vcon+json
* Required parameters: N/A
* Optional parameters: N/A; unrecognized parameters should be
ignored.
* Encoding considerations: [JSON]
* Additional information:
* Security considerations: See Security Considerations section of
this document.
* Interoperability considerations:
* Published specification: VCON, this document
* Applications that use this media type:
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* Fragment identifier considerations:
* Additional Information:
- Deprecated alias names for this type: N/A
- Magic number(s): N/A
- File extension(s): "vcon"
- Macintosh file type code(s): N/A
- Windows Clipboard Name: VCON
* Author: See the Author's Addresses section of this document.
* Change controller: IETF
6.2. gzip Format vCon Mediatype
A gzip format vCon is a JSON format vCon that has been compressed
using the gzip [GZIP] compression algorithm. The gzip format is used
to reduce the size of potentially very large vCons containing audio
or video media in dialog objects. Applications SHOULD support the
receiving of gzip format vCons, but do not need to use the gzip
format when sending.
* Type name: application
* Subtype name: vcon+gzip
* Required parameters: N/A
* Optional parameters: N/A; unrecognized parameters should be
ignored.
* Encoding considerations: [GZIP]
* Additional information:
* Security considerations: See Security Considerations section of
this document.
* Interoperability considerations:
* Published specification: [VCON], this document
* Applications that use this media type:
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* Fragment identifier considerations:
* Additional Information:
- Deprecated alias names for this type: N/A
- Magic number(s): N/A
- File extension(s): "vcon"
- Macintosh file type code(s): N/A
- Windows Clipboard Name: VCON
* Author: See the Author's Addresses section of this document.
* Change controller: IETF
7. Non-Upward Compatible Changes to the vCon Container
7.1. Version 0.0.1 to 0.0.2
* "mimetype" parameters were renamed to "mediatype"
* "alg" and "signature" were combined into "content_hash"
8. References
8.1. Normative References
[GEOPRIV] Peterson, J., "A Presence-based GEOPRIV Location Object
Format", RFC 4119, DOI 10.17487/RFC4119, December 2005,
<https://www.rfc-editor.org/rfc/rfc4119>.
[GZIP] Deutsch, P., "GZIP file format specification version 4.3",
RFC 1952, DOI 10.17487/RFC1952, May 1996,
<https://www.rfc-editor.org/rfc/rfc1952>.
[HTTPS] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "HTTP Semantics", STD 97, RFC 9110,
DOI 10.17487/RFC9110, June 2022,
<https://www.rfc-editor.org/rfc/rfc9110>.
[IANA-COSE-ALG]
"COSE Algorithms", n.d.,
<<https://www.iana.org/assignments/cose/cose.xhtml>>.
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[JSON] Bray, T., Ed., "The JavaScript Object Notation (JSON) Data
Interchange Format", STD 90, RFC 8259,
DOI 10.17487/RFC8259, December 2017,
<https://www.rfc-editor.org/rfc/rfc8259>.
[JWE] Jones, M. and J. Hildebrand, "JSON Web Encryption (JWE)",
RFC 7516, DOI 10.17487/RFC7516, May 2015,
<https://www.rfc-editor.org/rfc/rfc7516>.
[JWK] Jones, M., "JSON Web Key (JWK)", RFC 7517,
DOI 10.17487/RFC7517, May 2015,
<https://www.rfc-editor.org/rfc/rfc7517>.
[JWS] Jones, M., Bradley, J., and N. Sakimura, "JSON Web
Signature (JWS)", RFC 7515, DOI 10.17487/RFC7515, May
2015, <https://www.rfc-editor.org/rfc/rfc7515>.
[MAILTO] Duerst, M., Masinter, L., and J. Zawinski, "The 'mailto'
URI Scheme", RFC 6068, DOI 10.17487/RFC6068, October 2010,
<https://www.rfc-editor.org/rfc/rfc6068>.
[MEDIATYPE]
Freed, N., Klensin, J., and T. Hansen, "Media Type
Specifications and Registration Procedures", BCP 13,
RFC 6838, DOI 10.17487/RFC6838, January 2013,
<https://www.rfc-editor.org/rfc/rfc6838>.
[MIME] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
Extensions (MIME) Part One: Format of Internet Message
Bodies", RFC 2045, DOI 10.17487/RFC2045, November 1996,
<https://www.rfc-editor.org/rfc/rfc2045>.
[PASSporT] Wendt, C. and J. Peterson, "PASSporT: Personal Assertion
Token", RFC 8225, DOI 10.17487/RFC8225, February 2018,
<https://www.rfc-editor.org/rfc/rfc8225>.
[PIDF-LO] Winterbottom, J., Thomson, M., and H. Tschofenig, "GEOPRIV
Presence Information Data Format Location Object (PIDF-LO)
Usage Clarification, Considerations, and Recommendations",
RFC 5491, DOI 10.17487/RFC5491, March 2009,
<https://www.rfc-editor.org/rfc/rfc5491>.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/rfc/rfc2119>.
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[RFC3339] Klyne, G. and C. Newman, "Date and Time on the Internet:
Timestamps", RFC 3339, DOI 10.17487/RFC3339, July 2002,
<https://www.rfc-editor.org/rfc/rfc3339>.
[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/rfc/rfc8174>.
[SMTP] Klensin, J., "Simple Mail Transfer Protocol", RFC 5321,
DOI 10.17487/RFC5321, October 2008,
<https://www.rfc-editor.org/rfc/rfc5321>.
[TEL] Schulzrinne, H., "The tel URI for Telephone Numbers",
RFC 3966, DOI 10.17487/RFC3966, December 2004,
<https://www.rfc-editor.org/rfc/rfc3966>.
[UUID] Peabody, B. and K. R. Davis, "New UUID Formats", Work in
Progress, Internet-Draft, draft-peabody-dispatch-new-uuid-
format-04, 23 June 2022,
<https://datatracker.ietf.org/doc/html/draft-peabody-
dispatch-new-uuid-format-04>.
8.2. Informative References
[CBOR] Bormann, C. and P. Hoffman, "Concise Binary Object
Representation (CBOR)", STD 94, RFC 8949,
DOI 10.17487/RFC8949, December 2020,
<https://www.rfc-editor.org/rfc/rfc8949>.
[CDDL] Birkholz, H., Vigano, C., and C. Bormann, "Concise Data
Definition Language (CDDL): A Notational Convention to
Express Concise Binary Object Representation (CBOR) and
JSON Data Structures", RFC 8610, DOI 10.17487/RFC8610,
June 2019, <https://www.rfc-editor.org/rfc/rfc8610>.
[CDR] ITU, "Recommendation Q.825: Specification of TMN
applications at the Q3 interface: Call detail recording",
n.d., <https://www.itu.int/rec/T-REC-Q.825>.
[ISOBMFF] "Information technology -- Coding of audio-visual objects
-- Part 12: ISO base media file format", ISO/IEC
14496-12:2022, January 2022,
<https://www.iso.org/standard/83102.html>.
[JMAP] Jenkins, N. and C. Newman, "The JSON Meta Application
Protocol (JMAP)", RFC 8620, DOI 10.17487/RFC8620, July
2019, <https://www.rfc-editor.org/rfc/rfc8620>.
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[JWT] Jones, M., Bradley, J., and N. Sakimura, "JSON Web Token
(JWT)", RFC 7519, DOI 10.17487/RFC7519, May 2015,
<https://www.rfc-editor.org/rfc/rfc7519>.
[PY-VCON] "Python open source vCon command line interface, library
and workflow server", n.d.,
<https://github.com/py-vcon/py-vcon>.
[SHA-512] Eastlake 3rd, D. and T. Hansen, "US Secure Hash Algorithms
(SHA and SHA-based HMAC and HKDF)", RFC 6234,
DOI 10.17487/RFC6234, May 2011,
<https://www.rfc-editor.org/rfc/rfc6234>.
[SIP-XFER] Sparks, R., Johnston, A., Ed., and D. Petrie, "Session
Initiation Protocol (SIP) Call Control - Transfer",
BCP 149, RFC 5589, DOI 10.17487/RFC5589, June 2009,
<https://www.rfc-editor.org/rfc/rfc5589>.
[STIR-PASS]
Wendt, C. and J. Peterson, "PASSporT Extension for Rich
Call Data", Work in Progress, Internet-Draft, draft-ietf-
stir-passport-rcd-26, 5 June 2023,
<https://datatracker.ietf.org/doc/html/draft-ietf-stir-
passport-rcd-26>.
[vCard] Kewisch, P., "jCard: The JSON Format for vCard", RFC 7095,
DOI 10.17487/RFC7095, January 2014,
<https://www.rfc-editor.org/rfc/rfc7095>.
[vCon-white-paper]
Howe, T., Petrie, D., Lieberman, M., and A. Quayle, "vCon:
an Open Standard for Conversation Data", n.d.,
<https://github.com/vcon-dev/vcon/blob/main/docs/vCons_%20
an%20Open%20Standard%20for%20Conversation%20Data.pdf>.
Appendix A. Contact Center Use Cases
TODO: insert draft-rosenberg-vcon-cc-usecases here
Appendix B. Example vCons
This appendix contains example vCons in the unsigned, signed and
encrypted form. The JSON has been indented for readability. The
vCons have been formatted such that long text lines have been wrapped
with a left hand white space indent for readability purposes. Links
for unformatted versions of the vCons are provided for each of the
examples. The example vCons in this document were generated using
the [PY-VCON] command line interface.
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B.1. Two Party Call vCon With Inline Recording
This example vCon is for a simple 2 party PSTN call. It has a single
Dialog Object which contains a single channel wav format recording
with the two parties audio mixed into the single channel.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/ab_call_int_rec.vcon
{
"vcon": "0.0.2",
"parties": [
{
"tel": "+12345678901",
"name": "Alice"
},
{
"tel": "+19876543210",
"name": "Bob"
}
],
"dialog": [
{
"type": "recording",
"start": "2022-06-21T17:53:26.000+00:00",
"duration": 4.72,
"parties": [
0,
1
],
"mediatype": "audio/x-wav",
"filename": "ab_call.wav",
"encoding": "base64url",
"body": "UklGRioeAABXQVZFZm10IBQAAAAxAAEAQB8AAFkGAABBAAAAAg
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NK6HaxUDiVs2AZRnOzRaRUJ1Z6RRI0iTHyfYKRI4cOjrxEqgqospuKyO4
VZK_1lMokw2JQ2EolrXkqIzAI9wynWjn4FHvUqacrIC0RnZac4WPmUzNE
CZOpSgqWw2qbCREedIMNFu0NS7rDCQRm5iOledUzULLgCLLkIOJzyDaI6
6hO--g3DQi01zLYCJHtJ2biVHhKPYMtKkxqW7hDEp1K9Uh1g6aTE04qTY
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AYJ3fXApcCBWS5MWA3OSpIoePwJXFTVo2rGAVRlHst8tgbmeSpDZxUJUk
sA6kcd4lkuUIso2UtZG9ClrW79RZ6QpmbuLiclb31E2k7CAqw45ki60A4
6rW27Yq4D2fkhOizUDkok4SxYkyWSmyCFauWgc2xgT6dKJu7dAIqpENKQ
bnCDROpEfX1vfUiXK1YHY3fvRXzGD8yJUhCY0A3TJtU4XvgNpMip1KbQ-
VLPQMwoxUJ1rIDDQuKyN5qg5Ek_28smIPSHotx9XY9lJF5MxAqi4uJffq
QLS4qSZr12BVG3lb7q1gmRdtnJiNcF0kyAqGNkw5KuoOyG3XXJbpCMxxZ
zuZ9A7IjBzXzRQHk4Xi66Ciak0sa9ZAk7uQJJmtIBrDQhIZDCCisukrYW
2QWUj1CrhUGrmp9grYb-oYUuwMOGlkzJLUCMht7lzQHpubADSzYJ1ftv4
KrIGVNW4YtUphGyv65IpeYkaXigzfwRxbJK4eULOsuofVTeKhI0V7rVx6
syVN58RFipMWLcXb7HWa0ool1tVSbRerw1U13_R970Yst2rTUDSHiqJEk
dDB3u8tLXXEZRi3iLuKOJJsq89gTZ4TTUs9wXJSZIUvXR-7sZUYe8uDt1
KkJhPJMc6uUfVsadMGMupEzmqFtXHdstEeH4X3qL6u60iO3kZOOfwyo_K
eppGj8RXzk2zV00dWW80n0QTMxLbTfSB8jmdFp02aKlNlK1l97XheSYTX
kOLGwR4faduDnqHCOE2_ZLbx6rq35oJe0p26lepuXOWTt7Ie_DmLNi4ID
SZom4YzSEtD47tmVUra4GERBpUJACE0Uua5njuKvpK2ddy599W22r4k_U
2rbBguUz2dY6tWrvTZuZr9sdZE7-olvZu1lUrIGj9QIfauaCtaeXRZr4k
fW5Hlxb0fr3U2lWqt6sOSaYEyZJEIdkWdSu89fZvqdnrVNRmum_xp2jTn
h2ISAYJiKwN0oNFtnSyD5Eiyw3dPBAY5diql0b9ecXVDBo2Rs63nWNr6t
fuyXTmu8nIabShdNojSNGobq52IxMKBgybmG60GIeX0pUNWh0AA9KxbRY
yBJnluZH2Jc4hI2iigbuXGkTgINqqeKLVUDKTR2dQt6gpWMhzXTRd4B2B
ULCDiSHXDgy8AnTuMqiROgCsJsYs4tGAjt1WcVdE2SATnCLSKbNhtyAJQ
ciPHaL0Eyo0bWcX0DiZu29hwFntXxIIy4KuVckrtDCD4tGYSHctAFDmNz
VbPQCvDauJGqTgafrcINDGcNGnZR7Zt3PoALxSCUqY0wbyrSHmTIZc"
}
],
"analysis": [],
"attachments": [],
"uuid": "0195544a-bd15-8960-b9a2-279e0d16bc46"
}
B.2. Text Chat vCon
TODO: text vCon example
B.3. Email Thread Multipart vCon
The following is an unsigned form of an vCon for a 2 message email
thread between 2 parties. The email messages are multipart MIME
message bodies.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/
ab_email_acct_prob_thread.vcon
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{
"vcon": "0.0.2",
"group": [],
"parties": [
{
"mailto": "b@example.com",
"name": "Bob"
},
{
"mailto": "a@example.com",
"name": "Alice"
}
],
"dialog": [
{
"type": "text",
"start": "2022-09-23T21:44:25.000+00:00",
"duration": 0,
"parties": [
0,
1
],
"mediatype": "multipart/mixed; \n\tboundary=\"----=_Part_38
8314_1108189513.1663969465698\"",
"encoding": "none",
"body": "------=_Part_388314_1108189513.1663969465698\r\nCo
ntent-Type: multipart/alternative;\r\n\tboundary=\"----=_
Part_388313_805631480.1663969465697\"\r\n\r\n------=_Part
_388313_805631480.1663969465697\r\nContent-Type: text/pla
in; charset=UTF-8\r\nContent-Transfer-Encoding: 7bit\r\n\
r\nAlice:Please find the image attached.\r\n\r\nRegards,B
ob\r\n\r\n------=_Part_388313_805631480.1663969465697\r\n
Content-Type: text/html; charset=UTF-8\r\nContent-Transfe
r-Encoding: 7bit\r\n\r\n<html><head></head><body><div cla
ss=\"yahoo-style-wrap\" style=\"font-family:Helvetica Neu
e, Helvetica, Arial, sans-serif;font-size:16px;\"><div di
r=\"ltr\" data-setdir=\"false\"><div><div dir=\"ltr\" sty
le=\"font-family: "Helvetica Neue", Helvetica,
Arial, sans-serif; font-size: 16px;\">Alice:</div><div di
r=\"ltr\" style=\"font-family: "Helvetica Neue"
, Helvetica, Arial, sans-serif; font-size: 16px;\">Please
find the image attached.<br></div><div dir=\"ltr\" style
=\"font-family: "Helvetica Neue", Helvetica, Ar
ial, sans-serif; font-size: 16px;\"><br></div><div dir=\"
ltr\" style=\"font-family: "Helvetica Neue", He
lvetica, Arial, sans-serif; font-size: 16px;\">Regards,</
div><div dir=\"ltr\" style=\"font-family: "Helvetica
Neue", Helvetica, Arial, sans-serif; font-size: 16p
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x;\">Bob</div></div><br></div></div></body></html>\r\n---
---=_Part_388313_805631480.1663969465697--\r\n\r\n------=
_Part_388314_1108189513.1663969465698\r\nContent-Type: im
age/png\r\nContent-Transfer-Encoding: base64\r\nContent-D
isposition: attachment; filename=\"=?UTF-8?b?c2NyZWVuc2hv
dC5wbmc=?=\"\r\nContent-ID: <c4c28087-6fa1-395e-e50f-dcef
d3d6bf96@yahoo.com>\r\n\r\niVBORw0KGgoAAAANSUhEUgAAACYAAA
AeCAIAAADPdvs5AAAAA3NCSVQICAjb4U/gAAAAGXRFWHRT\r\nb2Z0d2F
yZQBnbm9tZS1zY3JlZW5zaG907wO/PgAAALpJREFUSInl1t0NgzAMBOC7
qPvP1gW6Qjdo\r\nj4f0J4qAJI6NROvniE8+mwCvtzv6imTnyf1K/UclH
UFWjIvaIL3CHCABSPKKtJckWfY6zw+sj5dq\r\nISdVIzmj2klzTZG2Rm
e7NKgOwY6qPrMcUs+2PqchL14P+oyz+fHx77K5Sv8xyxAyZ0uBaxn/Spc
U\r\n8NxcosAut1Y3NtjVX7UjZlmpgWTSFyvVQPKB16tSqW53bFnKtyyZ
vYT3rSsAWADWAlOjseYFfwAA\r\nAABJRU5ErkJggg==\r\n\r\n-----
-=_Part_388314_1108189513.1663969465698--\r\n",
"message_id": "<1126698042.388315.1663969465698@mail.yahoo.
com>"
},
{
"type": "text",
"start": "2022-09-23T21:44:59.000+00:00",
"duration": 0,
"parties": [
1,
0
],
"mediatype": "multipart/alternative; \n\tboundary=\"----=_P
art_390234_811845464.1663969499935\"",
"encoding": "none",
"body": "------=_Part_390234_811845464.1663969499935\r\nCon
tent-Type: text/plain; charset=UTF-8\r\nContent-Transfer-
Encoding: 7bit\r\n\r\n Hi Bob:Got it. Thanks.\r\n\r\n
On Friday, September 23, 2022, 9:44:40 PM UTC, Bob <b@exa
mple.com> wrote: \r\n \r\n Alice:Please find the image a
ttached.\r\n\r\nRegards,Bob\r\n \r\n------=_Part_390234_
811845464.1663969499935\r\nContent-Type: text/html; chars
et=UTF-8\r\nContent-Transfer-Encoding: 7bit\r\n\r\n<html>
<head></head><body><div class=\"ydp89e479a0yahoo-style-wr
ap\" style=\"font-family:Helvetica Neue, Helvetica, Arial
, sans-serif;font-size:16px;\"><div></div>\r\n <di
v><div><div dir=\"ltr\" style=\"font-family: Helvetica Ne
ue, Helvetica, Arial, sans-serif; font-size: 16px;\">Hi B
ob:</div><div dir=\"ltr\" style=\"font-family: Helvetica
Neue, Helvetica, Arial, sans-serif; font-size: 16px;\">Go
t it. Thanks.</div></div><br></div><div><br></div>\r\n
\r\n </div><div id=\"ydpdc5150a3yahoo_quoted_
4829810715\" class=\"ydpdc5150a3yahoo_quoted\">\r\n
<div style=\"font-family:'Helvetica Neue', Helvetic
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a, Arial, sans-serif;font-size:13px;color:#26282a;\">\r\n
\r\n <div>\r\n
On Friday, September 23, 2022, 9:44:40 PM UTC, Bo
b <b@example.com> wrote:\r\n </div>\
r\n <div><br></div>\r\n <di
v><br></div>\r\n <div><div id=\"ydpdc5150a
3yiv4578005613\"><div><div style=\"font-family:Helvetica
Neue, Helvetica, Arial, sans-serif;font-size:16px;\" clas
s=\"ydpdc5150a3yiv4578005613yahoo-style-wrap\"><div dir=\
"ltr\"><div><div dir=\"ltr\" style=\"font-family:Helvetic
a, Arial, sans-serif;font-size:16px;\">Alice:</div><div d
ir=\"ltr\" style=\"font-family:Helvetica, Arial, sans-ser
if;font-size:16px;\">Please find the image attached.<br><
/div><div dir=\"ltr\" style=\"font-family:Helvetica, Aria
l, sans-serif;font-size:16px;\"><br></div><div dir=\"ltr\
" style=\"font-family:Helvetica, Arial, sans-serif;font-s
ize:16px;\">Regards,</div><div dir=\"ltr\" style=\"font-f
amily:Helvetica, Arial, sans-serif;font-size:16px;\">Bob<
/div></div><br></div></div></div></div></div>\r\n
</div>\r\n </div></body></html>\r\n------=_Par
t_390234_811845464.1663969499935--\r\n",
"message_id": "<2031327240.390235.1663969499936@mail.yahoo.
com>"
}
],
"analysis": [],
"attachments": [],
"created_at": "2025-03-02T00:39:02.990+00:00",
"redacted": {},
"subject": "Account problem",
"uuid": "0195544a-cc55-8d85-b9a2-279e0d16bc46"
}
B.4. Email Thread Text vCon
The following is an unsigned form of an vCon for a 3 message email
thread between 2 parties. The email messages are plain text message
bodies.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/
ab_email_prob_followup_text_thread.vcon
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{
"vcon": "0.0.2",
"group": [],
"parties": [
{
"mailto": "a@example.com",
"name": "Alice"
},
{
"mailto": "b@example.com",
"name": "Bob"
}
],
"dialog": [
{
"type": "text",
"start": "2022-09-23T23:24:59.000+00:00",
"duration": 0,
"parties": [
0,
1
],
"mediatype": "text/plain",
"encoding": "none",
"body": "Hi Bob:\nI just wanted to follow up to see that yo
ur account is ok now.\n\nRegards,\nAlice\n\n",
"message_id": "<2031327240.390235.1663969499936@mail.yahoo.
com>"
},
{
"type": "text",
"start": "2022-09-23T23:34:32.000+00:00",
"duration": 0,
"parties": [
1,
0
],
"mediatype": "text/plain; charset=UTF-8",
"encoding": "none",
"body": "Hi Alice:\nAll is fine. Thanks.\n\n On Friday,
September 23, 2022, 23:24:59 PM UTC, Alice <a@example.com
> wrote: \n \n Hi Bob:\n I just wanted to follow up to
see that your account is ok now.\n \n Regards,\n Alic
e\n",
"message_id": "<1126698042.388315.1663969465698@mail.yahoo.
com>"
},
{
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"type": "text",
"start": "2022-09-23T23:38:12.000+00:00",
"duration": 0,
"parties": [
0,
1
],
"mediatype": "text/plain",
"encoding": "none",
"body": "Awesome!\n\n On Friday, September 23, 2022, 23:
34: PM UTC, Bob <b@example.com> wrote: \n\n Hi Alice:\n
All is fine. Thanks.\n \n On Friday, September 23
, 2022, 23:24:59 PM UTC, Alice <a@example.com> wrote: \n
\n Hi Bob:\n I just wanted to follow up to see t
hat your account is ok now.\n \n Regards,\n Alic
e\n",
"message_id": "<2031327240.390235.1663969499936@mail.yahoo.
com>"
}
],
"analysis": [],
"attachments": [],
"created_at": "2025-03-02T00:39:04.591+00:00",
"redacted": {},
"subject": "Account issue followup",
"uuid": "0195544a-d292-8cda-b9a2-279e0d16bc46"
}
B.5. Two Party Call vCon With Externally Referenced Recording
This example vCon is for a simple 2 party PSTN call. It has a single
Dialog Object which reference a single channel wav format recording
with the two parties audio mixed into the single channel.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/ab_call_ext_rec.vcon
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{
"vcon": "0.0.2",
"parties": [
{
"tel": "+12345678901",
"name": "Alice"
},
{
"tel": "+19876543210",
"name": "Bob"
}
],
"dialog": [
{
"type": "recording",
"start": "2022-06-21T17:53:26.000+00:00",
"duration": 33.12,
"parties": [
0,
1
],
"url": "https://github.com/ietf-wg-vcon/draft-ietf-vcon-vco
n-container/raw/refs/heads/main/examples/ab_call.mp3",
"mediatype": "audio/x-mp3",
"filename": "ab_call.mp3",
"content_hash": "sha512-GLy6IPaIUM1GqzZqfIPZlWjaDsNgNvZM0iC
ONNThnH0a75fhUM6cYzLZ5GynSURREvZwmOh54-2lRRieyj82UQ"
}
],
"analysis": [],
"attachments": [],
"uuid": "0195544a-b9b1-8ee4-b9a2-279e0d16bc46"
}
B.6. Two Party Call vCon with Analysis
TODO: fix diarization in transcript
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/ab_call_ext_rec_analysis.vcon
{
"vcon": "0.0.2",
"parties": [
{
"tel": "+12345678901",
"name": "Alice"
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},
{
"tel": "+19876543210",
"name": "Bob"
}
],
"dialog": [
{
"type": "recording",
"start": "2022-06-21T17:53:26.000+00:00",
"duration": 33.12,
"parties": [
0,
1
],
"url": "https://github.com/ietf-wg-vcon/draft-ietf-vcon-vco
n-container/raw/refs/heads/main/examples/ab_call.mp3",
"mediatype": "audio/x-mp3",
"filename": "ab_call.mp3",
"content_hash": "sha512-GLy6IPaIUM1GqzZqfIPZlWjaDsNgNvZM0iC
ONNThnH0a75fhUM6cYzLZ5GynSURREvZwmOh54-2lRRieyj82UQ"
}
],
"analysis": [
{
"type": "transcript",
"dialog": 0,
"body": {
"metadata": {
"transaction_key": "deprecated",
"request_id": "1a5edb19-c3a3-4a48-9b0a-17da2ee59f3a",
"sha256": "04dc074100461f5082f2a7a286d0161f0e2728025e83
c20592aa7ea3724c2933",
"created": "2025-03-02T00:39:07.666Z",
"duration": 33.119938,
"channels": 1,
"models": [
"33063c07-ad0b-41de-b393-071dbe2b35da"
],
"model_info": {
"33063c07-ad0b-41de-b393-071dbe2b35da": {
"name": "2-meeting-nova",
"version": "2024-02-06.3141",
"arch": "nova-2"
}
}
},
"results": {
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"channels": [
{
"alternatives": [
{
"transcript": "Hello. This is example.com. My n
ame is Bob. How can I help you? Hi. I'd like
to add Sue to my service. Okay. Can you give
me your name and phone number so I can look u
p your account? My name is Alice, and my numb
er is +1 234567890. Thank you. Okay. I've add
ed two to your service. Is there anything els
e I can help you with? No. Thank you. Goodbye
. Goodbye. Have a nice day.",
"confidence": 1,
"words": [
{
"word": "hello",
"start": 1.1999999,
"end": 1.6999999,
"confidence": 0.98950195,
"speaker": 0,
"speaker_confidence": 0.34591234,
"punctuated_word": "Hello."
},
{
"word": "this",
"start": 1.92,
"end": 2.08,
"confidence": 0.9980469,
"speaker": 0,
"speaker_confidence": 0.34591234,
"punctuated_word": "This"
},
{
"word": "is",
"start": 2.08,
"end": 2.32,
"confidence": 0.9838867,
"speaker": 0,
"speaker_confidence": 0.34591234,
"punctuated_word": "is"
},
{
"word": "example.com",
"start": 2.32,
"end": 3.28,
"confidence": 0.95963544,
"speaker": 0,
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"speaker_confidence": 0.34591234,
"punctuated_word": "example.com."
},
{
"word": "my",
"start": 3.28,
"end": 3.4399998,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "My"
},
{
"word": "name",
"start": 3.4399998,
"end": 3.6,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "name"
},
{
"word": "is",
"start": 3.6,
"end": 3.84,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "is"
},
{
"word": "bob",
"start": 3.84,
"end": 4.24,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "Bob."
},
{
"word": "how",
"start": 4.24,
"end": 4.4,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "How"
},
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{
"word": "can",
"start": 4.4,
"end": 4.56,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "can"
},
{
"word": "i",
"start": 4.56,
"end": 4.72,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "I"
},
{
"word": "help",
"start": 4.72,
"end": 4.88,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "help"
},
{
"word": "you",
"start": 4.88,
"end": 5.38,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.66926944,
"punctuated_word": "you?"
},
{
"word": "hi",
"start": 5.68,
"end": 6.18,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "Hi."
},
{
"word": "i'd",
"start": 6.3199997,
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"end": 6.56,
"confidence": 0.951416,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "I'd"
},
{
"word": "like",
"start": 6.56,
"end": 6.7999997,
"confidence": 1,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "like"
},
{
"word": "to",
"start": 6.7999997,
"end": 6.96,
"confidence": 0.99902344,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "to"
},
{
"word": "add",
"start": 6.96,
"end": 7.3599997,
"confidence": 0.9707031,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "add"
},
{
"word": "sue",
"start": 7.3599997,
"end": 7.68,
"confidence": 0.33374023,
"speaker": 0,
"speaker_confidence": 0.24804765,
"punctuated_word": "Sue"
},
{
"word": "to",
"start": 7.68,
"end": 7.9199996,
"confidence": 1,
"speaker": 0,
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"speaker_confidence": 0.24804765,
"punctuated_word": "to"
},
{
"word": "my",
"start": 7.9199996,
"end": 8.08,
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{
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},
{
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},
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{
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},
{
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},
{
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},
{
"word": "name",
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},
{
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"speaker_confidence": 0.4344439,
"punctuated_word": "and"
},
{
"word": "phone",
"start": 11.28,
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"end": 11.5199995,
"confidence": 1,
"speaker": 0,
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"punctuated_word": "phone"
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{
"word": "number",
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{
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},
{
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"end": 12.48,
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"speaker": 0,
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"speaker_confidence": 0.4344439,
"punctuated_word": "look"
},
{
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"start": 12.48,
"end": 12.559999,
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{
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"speaker_confidence": 0.4344439,
"punctuated_word": "account?"
},
{
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"confidence": 1,
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"speaker_confidence": 0.36550593,
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},
{
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"speaker": 0,
"speaker_confidence": 0.36550593,
"punctuated_word": "name"
},
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{
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"speaker_confidence": 0.36550593,
"punctuated_word": "is"
},
{
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{
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{
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},
{
"word": "is",
"start": 15.8949995,
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"end": 16.395,
"confidence": 1,
"speaker": 0,
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"punctuated_word": "is"
},
{
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},
{
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},
{
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},
{
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},
{
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"speaker_confidence": 0.69241047,
"punctuated_word": "Okay."
},
{
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},
{
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},
{
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},
{
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},
{
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"punctuated_word": "your"
},
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{
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},
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},
{
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},
{
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},
{
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"punctuated_word": "else"
},
{
"word": "i",
"start": 26.534874,
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"end": 26.614876,
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},
{
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{
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},
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},
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"confidence": 1,
"speaker": 0,
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"speaker_confidence": 0.25460207,
"punctuated_word": "No."
},
{
"word": "thank",
"start": 28.454874,
"end": 28.774876,
"confidence": 1,
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"punctuated_word": "Thank"
},
{
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"end": 29.254875,
"confidence": 1,
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},
{
"word": "goodbye",
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"end": 29.754875,
"confidence": 0.9980469,
"speaker": 0,
"speaker_confidence": 0.65151024,
"punctuated_word": "Goodbye."
},
{
"word": "goodbye",
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"end": 30.874874,
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"speaker_confidence": 0.65151024,
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},
{
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"speaker_confidence": 0.65151024,
"punctuated_word": "Have"
},
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{
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"confidence": 0.99902344,
"speaker": 0,
"speaker_confidence": 0.65151024,
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},
{
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"end": 31.574875,
"confidence": 1,
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"punctuated_word": "nice"
},
{
"word": "day",
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"confidence": 0.9995117,
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"punctuated_word": "day."
}
],
"paragraphs": {
"transcript": "\nSpeaker 0: Hello. This is ex
ample.com. My name is Bob. How can I help y
ou? Hi.\n\nI'd like to add Sue to my servic
e. Okay. Can you give me your name and phon
e number so I can look up your account? My
name is Alice, and my number is +1 23456789
0. Thank you.\n\nOkay. I've added two to yo
ur service. Is there anything else I can he
lp you with? No. Thank you.\n\nGoodbye. Goo
dbye. Have a nice day.",
"paragraphs": [
{
"sentences": [
{
"text": "Hello.",
"start": 1.1999999,
"end": 1.6999999
},
{
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"text": "This is example.com.",
"start": 1.92,
"end": 3.28
},
{
"text": "My name is Bob.",
"start": 3.28,
"end": 4.24
},
{
"text": "How can I help you?",
"start": 4.24,
"end": 5.38
},
{
"text": "Hi.",
"start": 5.68,
"end": 6.18
}
],
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"num_words": 14,
"start": 1.1999999,
"end": 6.18
},
{
"sentences": [
{
"text": "I'd like to add Sue to my se
rvice.",
"start": 6.3199997,
"end": 8.58
},
{
"text": "Okay.",
"start": 9.2,
"end": 9.7
},
{
"text": "Can you give me your name an
d phone number so I can look up you
r account?",
"start": 10,
"end": 13.299999
},
{
"text": "My name is Alice, and my num
ber is +1 234567890.",
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"start": 13.815,
"end": 20.474998
},
{
"text": "Thank you.",
"start": 20.775,
"end": 21.515
}
],
"speaker": 0,
"num_words": 37,
"start": 6.3199997,
"end": 21.515
},
{
"sentences": [
{
"text": "Okay.",
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"end": 23.515
},
{
"text": "I've added two to your servi
ce.",
"start": 24.214874,
"end": 25.654875
},
{
"text": "Is there anything else I can
help you with?",
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"end": 27.674875
},
{
"text": "No.",
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"end": 28.454874
},
{
"text": "Thank you.",
"start": 28.454874,
"end": 29.254875
}
],
"speaker": 0,
"num_words": 19,
"start": 23.015,
"end": 29.254875
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},
{
"sentences": [
{
"text": "Goodbye.",
"start": 29.254875,
"end": 29.754875
},
{
"text": "Goodbye.",
"start": 30.374874,
"end": 30.874874
},
{
"text": "Have a nice day.",
"start": 31.014874,
"end": 32.074875
}
],
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"num_words": 6,
"start": 29.254875,
"end": 32.074875
}
]
}
}
]
}
]
}
},
"encoding": "json",
"vendor": "deepgram",
"schema": "deepgram_prerecorded",
"product": "transcription"
}
],
"attachments": [],
"uuid": "0195544a-b9b1-8ee4-b9a2-279e0d16bc46"
}
B.7. Signed vCon
This example vCon is the signed form of the Two Party Call vCon With
Externally Referenced Recording (Appendix B.5) example. The private
key used to sign this can be found at:
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https://raw.githubusercontent.com/vcon-dev/vcon/main/certs/fake_grp.key
The certificate chain is included in the x5c parameter of the header
Object.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/ab_call_ext_rec_signed.vcon
{
"payload": "eyJ2Y29uIjoiMC4wLjIiLCJwYXJ0aWVzIjpbeyJ0ZWwiOiIrMTI
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pdGh1Yi5jb20vaWV0Zi13Zy12Y29uL2RyYWZ0LWlldGYtdmNvbi12Y29uLWNv
bnRhaW5lci9yYXcvcmVmcy9oZWFkcy9tYWluL2V4YW1wbGVzL2FiX2NhbGwub
XAzIiwibWVkaWF0eXBlIjoiYXVkaW8veC1tcDMiLCJmaWxlbmFtZSI6ImFiX2
NhbGwubXAzIiwiY29udGVudF9oYXNoIjoic2hhNTEyLUdMeTZJUGFJVU0xR3F
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EyLTI3OWUwZDE2YmM0NiJ9",
"signatures": [
{
"header": {
"x5c": [
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kBmYWtldmNvbi5vcmcxGTAXBgNVHREMEGRpdi5mYWtldmNvbi5vcm
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nDskyoMrKpYRsRKwwJa8+RwOS7JEg+OtXYCRbWZvPjAC/z6o6OZK+
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QPTyK5Grw2Px2mTr6BAdBQv7XsYWBRwOZyvSGnKyK60jcPlYUnu6Q
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Petrie Expires 4 September 2025 [Page 81]
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Petrie Expires 4 September 2025 [Page 82]
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DSDB6YTMyWXErS0M4R290SGRJNmppc0RFb203YUhnbGc9PSJdfQ"
}
]
}
B.8. Encrypted vCon
This example vCon is the encrypted form of the Signed vCon
(Appendix B.7) example. The private key to decrypt it can be found
at:
https://raw.githubusercontent.com/vcon-dev/vcon/main/certs/fake_grp.key
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/
ab_call_ext_rec_encrypted.vcon
{
"protected": "eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkEyNTZDQkMtSFM1M
TIifQ",
"iv": "_0zAYOxo66NUDUsER-5jBA",
"ciphertext": "jTPmEFYMr8W_Saab3mZAF6QOiqlijll5Y5Yqob0lnINq2OcD
xddWx-_v_mqPv92-Z8ZGJDgxNZfV9HAT54wbmjfj5SgOrJS6nMFBruFBQU4ew
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"tag": "yUtOAEWMDlRDiYc1UShGMRYC9wddGWhYbQbkDRCxj1s",
"recipients": [
{
"header": {
"enc": "A256CBC-HS512"
},
"encrypted_key": "XyeGomw_HGQj0bqeWDEdYnFug_m8kFPO-lRUtAn4K
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ciolkRhx2VZxyq2g"
}
],
"unprotected": {
"uuid": "0195544a-b9b1-8ee4-b9a2-279e0d16bc46",
"cty": "application/vcon+json",
"enc": "A256CBC-HS512"
}
}
B.9. Redacted vCon
This is an example redaction of the vCon in the example Two Party
Call vCon With Externally Referenced Recording (Appendix B.5). Most
notable is the Redacted object (Section 4.1.6) which references the
lesser redacted version of this vCon. In addition the *url*
parameter has been redacted from the Dialog Object (Section 4.3), but
the rest of the Dialog Object (Section 4.3) was left in the
redaction.
The unformatted version of the following example can be downloaded
from: https://raw.githubusercontent.com/ietf-wg-vcon/draft-ietf-vcon-
vcon-container/refs/heads/main/examples/ab_call_ext_rec_redacted.vcon
{
"vcon": "0.0.2",
"parties": [
{
"name": "Alice"
},
{
"name": "Bob"
}
],
"dialog": [
{
"type": "recording",
"start": "2022-06-21T17:53:26.000+00:00",
"duration": 33.12,
"parties": [
0,
1
],
"mediatype": "audio/x-mp3",
"filename": "ab_call.mp3",
"content_hash": "sha512-GLy6IPaIUM1GqzZqfIPZlWjaDsNgNvZM0iC
ONNThnH0a75fhUM6cYzLZ5GynSURREvZwmOh54-2lRRieyj82UQ"
}
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],
"analysis": [
{
"type": "transcript-redacted",
"dialog": 0,
"body": [
{
"parties": 0,
"start": "2022-06-21T17:53:27.200000+00:00",
"duration": 4.9800001,
"text": "Hello. This is {{URL}}. My name is Bob. How
can I help you? Hi."
},
{
"parties": 0,
"start": "2022-06-21T17:53:32.320000+00:00",
"duration": 15.1950003,
"text": "I'd like to add Sue to my service. Okay. Can
you give me your name and phone number so I can look
up your account? My name is Alice, and my number is
{{INTEGER}} {{SSN}}. Thank you."
},
{
"parties": 0,
"start": "2022-06-21T17:53:49.015000+00:00",
"duration": 6.239874999999998,
"text": "{{US_STATE}}. I've added two to your service.
Is there anything else I can help you with? No. T
hank you."
},
{
"parties": 0,
"start": "2022-06-21T17:53:55.254875+00:00",
"duration": 2.8200000000000003,
"text": "Goodbye. Goodbye. Have a nice day."
}
],
"encoding": "json",
"vendor": "CapitalOne",
"schema": "data_labeler_schema",
"product": "dataprofiler"
}
],
"attachments": [],
"uuid": "01928e10-193e-8231-b9a2-279e0d16bc46",
"redacted": {
"uuid": "0195544a-b9b1-8ee4-b9a2-279e0d16bc46",
"type": "PII Redaction"
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}
}
B.10. Appended Signed vCon
TODO: appended vCon example
B.11. vCon Group
TODO: group vCon example
Acknowledgments
* Thank you to Thomas McCarthy-Howe for inventing the concept of a
vCon and the many discussions that we had while this concept was
developed into reality.
* Thank you to Jonathan Rosenberg and Andrew Siciliano for their
input to the vCon container requirements in the form of I-D:
draft-rosenberg-vcon-cc-usecases.
* Thank you to Rohan Mahy for his help in exploring the CDDL schema
and CBOR format for vCon.
* The examples in this document were generated using the command
line interface (CLI) from the py-vcon [PY-VCON] python open source
project.
* Thank you to Steve Lasker for formatting and spelling edits.
Author's Address
Daniel G Petrie
SIPez LLC
Email: dan.ietf@sipez.com
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