sip_from_tag

IESG

Registry Context

`sip_from_tag` is a sIP From tag header field parameter value claim.

Technical Summary

Session Initiation Protocol (SIP) Via Header Field Parameter to Indicate Received Realm Section 5.4 defines `sip_from_tag` for JWT claim sets with the registry description: SIP From tag header field parameter value.

When Used

Used in JWTs that follow Session Initiation Protocol (SIP) Via Header Field Parameter to Indicate Received Realm Section 5.4.

Normative Requirements

JWS payload

MUST

8055 - Section 5.4
include the `sip_from_tag` claim with the SIP From tag parameter value..
Condition: When constructing the RFC 8055 JWS payload.
The following claims MUST be included in the JWS Payload

Validation Guidance

error

When processing `sip_from_tag`, apply the syntax and semantics from Session Initiation Protocol (SIP) Via Header Field Parameter to Indicate Received Realm Section 5.4.

info

Treat `sip_from_tag` as profile-specific unless the JWT explicitly follows the referenced specification.

Reference

RFC8055 RFC3261

Details

Entry Id: sip_from_tag
Claim Name: sip_from_tag
Claim Description: SIP From tag header field parameter value
Change Controller: IESG
Reference: RFC8055, RFC3261