RFC 5627
Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP), October 2009
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DOI: https://doi.org/10.17487/RFC5627
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Abstract
Several applications of the Session Initiation Protocol (SIP) require a user agent (UA) to construct and distribute a URI that can be used by anyone on the Internet to route a call to that specific UA instance. A URI that routes to a specific UA instance is called a Globally Routable UA URI (GRUU). This document describes an extension to SIP for obtaining a GRUU from a registrar and for communicating a GRUU to a peer within a dialog. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.