RFC 3327: Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts

The REGISTER function is used in a SIP system primarily to associate a temporary contact address with an address-of-record. This contact is…

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Incoming relationships (11 related RFCs)

Updated by — RFC 5626: Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 5627: Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 5853: Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) Deployments
Normatively referenced by — RFC 5049: Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 7549: 3GPP SIP URI Inter-Operator Traffic Leg Parameter
Normatively referenced by — RFC 9248: Interoperability Profile for Relay User Equipment
Informatively referenced by — RFC 5630: The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 7118: The WebSocket Protocol as a Transport for the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 5947: Requirements for Multiple Address of Record (AOR) Reachability Information in the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 5379: Guidelines for Using the Privacy Mechanism for SIP
Informatively referenced by — RFC 6140: Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)