Session Initiation Protocol (SIP) Via Header Field Parameter to Indicate Received Realm, January 2017
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- PROPOSED STANDARD
- C. Holmberg
- NON WORKING GROUP
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This specification defines a new Session Initiation Protocol (SIP) Via header field parameter, 'received-realm', which allows a SIP entity acting as an entry point to a transit network to indicate from which adjacent upstream network a SIP request is received by using a network realm value associated with the adjacent network.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.