RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging

Instant Messaging (IM) refers to the transfer of messages between users in near real-time. These messages are usually, but not required to be, short. IMs are…

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Outgoing relationships (5 related RFCs)

Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 3265: Session Initiation Protocol (SIP)-Specific Event Notification
Normative reference — RFC 2778: A Model for Presence and Instant Messaging
Normative reference — RFC 2779: Instant Messaging / Presence Protocol Requirements
Normative reference — RFC 3369: Cryptographic Message Syntax (CMS)

Incoming relationships (22 related RFCs)

Updated by — RFC 8591: SIP-Based Messaging with S/MIME
Normatively referenced by — RFC 3841: Caller Preferences for the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 4412: Communications Resource Priority for the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 4538: Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 7572: Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Instant Messaging
Normatively referenced by — RFC 8876: Non-interactive Emergency Calls
Normatively referenced by — RFC 9475: Messaging Use Cases and Extensions for Secure Telephone Identity Revisited (STIR)
Normatively referenced by — RFC 5509: Internet Assigned Numbers Authority (IANA) Registration of Instant Messaging and Presence DNS SRV RRs for the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 5514: IPv6 over Social Networks
Normatively referenced by — RFC 5876: Updates to Asserted Identity in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 6216: Example Call Flows Using Session Initiation Protocol (SIP) Security Mechanisms
Normatively referenced by — RFC 6468: Sieve Notification Mechanism: SIP MESSAGE
Informatively referenced by — RFC 3840: Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 4975: The Message Session Relay Protocol (MSRP)
Informatively referenced by — RFC 5039: The Session Initiation Protocol (SIP) and Spam
Informatively referenced by — RFC 5621: Message Body Handling in the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 6794: A Framework for Session Initiation Protocol (SIP) Session Policies
Informatively referenced by — RFC 7573: Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): One-to-One Text Chat Sessions
Informatively referenced by — RFC 5897: Identification of Communications Services in the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 4189: Requirements for End-to-Middle Security for the Session Initiation Protocol (SIP)
Informatively referenced by — RFC 6050: A Session Initiation Protocol (SIP) Extension for the Identification of Services
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)