RFC 3960: Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP)

This document describes how to manage early media in the Session Initiation Protocol (SIP) using two models: the gateway model and the application server…

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Outgoing relationships (7 related RFCs)

Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 3264: An Offer/Answer Model with Session Description Protocol (SDP)
Normative reference — RFC 3959: The Early Session Disposition Type for the Session Initiation Protocol (SIP)
Informative reference — RFC 3711: The Secure Real-time Transport Protocol (SRTP)
Informative reference — RFC 3262: Reliability of Provisional Responses in Session Initiation Protocol (SIP)
Informative reference — RFC 3311: The Session Initiation Protocol (SIP) UPDATE Method
Informative reference — RFC 3489: STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)

Incoming relationships (8 related RFCs)

Normatively referenced by — RFC 5009: Private Header (P-Header) Extension to the Session Initiation Protocol (SIP) for Authorization of Early Media
Normatively referenced by — RFC 9248: Interoperability Profile for Relay User Equipment
Informatively referenced by — RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
Informatively referenced by — RFC 4975: The Message Session Relay Protocol (MSRP)
Informatively referenced by — RFC 8839: Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)
Informatively referenced by — RFC 8829: JavaScript Session Establishment Protocol (JSEP)
Informatively referenced by — RFC 3959: The Early Session Disposition Type for the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 5552: SIP Interface to VoiceXML Media Services