RFC 8119: SIP "cause" URI Parameter for Service Number Translation

RFC 4458 (regarding SIP URIs for applications) defines a "cause" URI parameter, which may appear in the Request-URI of a SIP request, that is used to indicate…

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Outgoing relationships (6 related RFCs)

Updates, Informative reference — RFC 4458: Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)
Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 3323: A Privacy Mechanism for the Session Initiation Protocol (SIP)
Normative reference — RFC 3326: The Reason Header Field for the Session Initiation Protocol (SIP)
Normative reference — RFC 7044: An Extension to the Session Initiation Protocol (SIP) for Request History Information
Informative reference — RFC 5234: Augmented BNF for Syntax Specifications: ABNF