Via header field parameter to indicate received realm

Document Type Expired Internet-Draft (individual)
Authors Christer Holmberg  , Yi Jiang 
Last updated 2015-06-19 (latest revision 2014-12-16)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


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, using a network realm value associated with the adjacent network.


Christer Holmberg (
Yi Jiang (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)