RFC 3326: The Reason Header Field for the Session Initiation Protocol (SIP)

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

Read RFC 3326 on the RFC Editor

Incoming relationships (17 related RFCs)

Updated by — RFC 8606: ISDN User Part (ISUP) Cause Location Parameter for the SIP Reason Header Field
Updated by, Normatively referenced by — RFC 9366: Multiple SIP Reason Header Field Values
Normatively referenced by — RFC 4244: An Extension to the Session Initiation Protocol (SIP) for Request History Information
Normatively referenced by — RFC 7044: An Extension to the Session Initiation Protocol (SIP) for Request History Information
Normatively referenced by — RFC 5552: SIP Interface to VoiceXML Media Services
Normatively referenced by — RFC 4411: Extending the Session Initiation Protocol (SIP) Reason Header for Preemption Events
Normatively referenced by — RFC 6044: Mapping and Interworking of Diversion Information between Diversion and History-Info Headers in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 8197: A SIP Response Code for Unwanted Calls
Normatively referenced by — RFC 6228: Session Initiation Protocol (SIP) Response Code for Indication of Terminated Dialog
Normatively referenced by — RFC 7544: Mapping and Interworking of Diversion Information between Diversion and History-Info Header Fields in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 8119: SIP "cause" URI Parameter for Service Number Translation
Normatively referenced by — RFC 8688: A Session Initiation Protocol (SIP) Response Code for Rejected Calls
Normatively referenced by — RFC 9248: Interoperability Profile for Relay User Equipment
Normatively referenced by — RFC 9410: Handling of Identity Header Errors for Secure Telephone Identity Revisited (STIR)
Informatively referenced by — RFC 5479: Requirements and Analysis of Media Security Management Protocols
Informatively referenced by — RFC 7865: Session Initiation Protocol (SIP) Recording Metadata
Informatively referenced by — RFC 6913: Indicating Fax over IP Capability in the Session Initiation Protocol (SIP)