----------------------------------- Supported standards at 07/09/2012 ----------------------------------- IETF: ----- RFC 1321 - The MD5 Message-Digest Algorithm RFC 2327 - SDP: Session Description Protocol RFC 2373 - IP Version 6 Addressing Architecture RFC 2392 - Content-ID and Message-ID Uniform Resource Locators RFC 2617 - HTTP Authentication: Basic and Digest Access Authentication RFC 3261 - SIP: Session Initiation Protocol RFC 3263 - Session Initiation Protocol (SIP): Locating SIP Servers RFC 3264 - An Offer/Answer Model with the Session Description Protocol (SDP) RFC 3265 - Session Initiation Protocol (SIP) Specific Event Notification RFC 3325 - Private Extensions to the Session Initiation Protocol (SIP) forAsserted Identity within Trusted Networks RFC 3339 - Date and Time on the Internet RFC 3455 - Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) RFC 3515 - The Session Initiation Protocol (SIP) Refer Method RFC 3550 - RTP: A Transport Protocol for Real-Time Applications RFC 3608 - Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration RFC 3840 - Indicating User Agent Capabilities in the Session Initiation Protocol (SIP) RFC 3856 - A Presence Event Package for the Session Initiation Protocol (SIP) RFC 3857 - A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP) RFC 3858 - An Extensible Markup Language (XML) Based Format for Watcher Information RFC 3862 - Common Presence and Instant Messaging (CPIM): Message Format RFC 3863 - Presence Information Data Format (PIDF) RFC 3891 - The Session Initiation Protocol (SIP) "Replaces" Header RFC 3903 - Session Initiation Protocol (SIP) Extension for Event State Publication RFC 3966 - The tel URI for Telephone Numbers RFC 3994 - Indication of Message Composition for Instant Messaging RFC 4007 - IPv6 Scoped Address Architecture RFC 4028 - The Session Timers in the Session Initiation Protocol (SIP) RFC 4145 - TCP-Based Media Transport in the Session Description Protocol (SDP) RFC 4566 - SDP: Session Description Protocol RFC 4662 - A Session Initiation Protocol (SIP) Event Notification Extension for Resource Lists RFC 4480 - RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF) RFC 4481 - Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals RFC 4961 - Symmetric RTP / RTP Control Protocol (RTCP) RFC 4975 - The Message Session Relay Protocol (MSRP) RFC 5262 - Presence Information Data Format (PIDF) Extension for Partial Presence RFC 5438 - Instant Message Disposition Notification (IMDN) RFC 5547 - A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File Transfer RFC 5626 - Managing Client-Initiated Connection in the Session Initiation Protocol RFC 5627 - Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP) RFC 5839 - An Extension to Session Initiation Protocol (SIP) Events for Conditional Event Notification" RFC 6135 - An Alternative Connection Model for the Message Session Relay Protocol (MSRP) RFC 6223 - Indication of Support for Keep-Alive draft-ietf-sip-uri-list-conferencing-01 - Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP) draft-ietf-sip-multiple-refer-01 - Referring to Multiple Resources in the Session Initiation Protocol (SIP) draft-ietf-simple-imdn-04 - Instant Message Disposition Notification draft-ietf-mmusic-file-transfer-mech-03 - A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File Transfer draft-ietf-simple-msrp-sessmatch-10 - Session Matching Update for the Message Session Relay Protocol (MSRP) draft-kaplan-dispatch-session-id-03 - A Session Identifier for the Session Initiation Protocol (SIP) 3GPP: ----- TS 24.229 - IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP), Stage 3 TS 24.279 - Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services, Stage 3 OMA: ---- Instant Messaging using SIMPLE Architecture, v1.0 Instant Messaging Requirements, v1.0 Instant Messaging using SIMPLE, v1.0 Presence SIMPLE Architecture, v2.0 Resource List Server (RLS) XDM Specification, v2.0 GSMA: ----- RCS Release 1 - Functional Description RCS Release 1 - Technical Realization RCS Release 2 - Functional Description RCS Release 2 - Technical Realization RCS Release 2 - Endorsement of OMA SIP/SIMPLE IM 1.0 RCS Release 2 - Management Objects RCS-e Version 1.1 - Services and Client Specification RCS-e Version 1.2.1 - Services and Client Specification RCS-e GSMA RCS IOT RCS-e Implementation Guidelines 2.1 RCS-e GSMA RCS IOT RCS-e Implementation Guidelines 3.1 IR74 - Video Share Interoper ability Specification IR79 - Image Share Interoperability Specification