Session Initiation Protocol Via Header Field Parameter to Indicate Received Realm
RFC 8055, “Session Initiation Protocol Via Header Field Parameter to Indicate Received Realm”, is a Proposed Standard document published in January 2017 by C. Holmberg, Y. Jiang. The canonical text is published by the RFC Editor.
Abstract
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.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 8055 is hosted at rfc-editor.org. Available in TXT,HTML.
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