RFC 7976: Updates to Private Header (P-Header) Extension Usage in Session Initiation Protocol (SIP) Requests and Responses

The Third Generation Partnership Project (3GPP) has identified cases where different SIP private header extensions referred to as "P-" header fields, and…

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Outgoing relationships (3 related RFCs)

Updates, Normative reference — RFC 7315: Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3GPP
Normative reference — RFC 3261: SIP: Session Initiation Protocol
Informative reference — RFC 3455: Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP)

Incoming relationships (1 related RFC)

Obsoleted by — RFC 9878: Updates to Private Header (P-Header) Extension Usage in Session Initiation Protocol (SIP) Requests and Responses