RFC 4976: Relay Extensions for the Message Sessions Relay Protocol (MSRP)

Two separate models for conveying instant messages have been defined. Page-mode messages stand alone and are not part of a Session Initiation Protocol (SIP)…

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Outgoing relationships (14 related RFCs)

Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 4566: SDP: Session Description Protocol
Normative reference — RFC 2782: A DNS RR for specifying the location of services (DNS SRV)
Normative reference — RFC 4346: The Transport Layer Security (TLS) Protocol Version 1.1
Normative reference — RFC 4234: Augmented BNF for Syntax Specifications: ABNF
Normative reference — RFC 3280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
Normative reference — RFC 3851: Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification
Normative reference — RFC 2617: HTTP Authentication: Basic and Digest Access Authentication
Normative reference — RFC 4366: Transport Layer Security (TLS) Extensions
Normative reference — RFC 4975: The Message Session Relay Protocol (MSRP)
Normative reference — RFC 3268: Advanced Encryption Standard (AES) Ciphersuites for Transport Layer Security (TLS)
Informative reference — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Informative reference — RFC 3264: An Offer/Answer Model with Session Description Protocol (SDP)
Informative reference — RFC 2046: Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types

Incoming relationships (9 related RFCs)

Updated by, Normatively referenced by — RFC 8996: Deprecating TLS 1.0 and TLS 1.1
Updated by, Normatively referenced by — RFC 7977: The WebSocket Protocol as a Transport for the Message Session Relay Protocol (MSRP)
Updated by — RFC 8553: DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names
Normatively referenced by — RFC 6714: Connection Establishment for Media Anchoring (CEMA) for the Message Session Relay Protocol (MSRP)
Normatively referenced by — RFC 7701: Multi-party Chat Using the Message Session Relay Protocol (MSRP)
Normatively referenced by — RFC 6796: A User Agent Profile Data Set for Media Policy
Informatively referenced by — RFC 4975: The Message Session Relay Protocol (MSRP)
Informatively referenced by — RFC 5547: A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File Transfer
Informatively referenced by — RFC 6914: SIMPLE Made Simple: An Overview of the IETF Specifications for Instant Messaging and Presence Using the Session Initiation Protocol (SIP)