SIP Category
Table 1. Compliance with SIP standards
| Standard | Description | 
|---|---|
| JR116 | SIP: Servlet API | 
| RFC 2543 | SIP: Session Initiation Protocol | 
| RFC 3261 | SIP: Session Initiation Protocol | 
| RFC 3262 | Reliability of Provisional Responses in SIP | 
| RFC 3263 | SIP: Locating SIP Servers. Note: SIP does not support use of DNS procedures for a server to send a response to a back-up client if the primary client fails. | 
| RFC 3265 | SIP-specific Event Notification | 
| RFC 3326 | The Reason Header Field for the SIP | 
| RFC 3515 | The SIP Refer Method | 
| RFC 3824 | Using E.164 numbers with SIP | 
| RFC 3903 | SIP Extension for Event State Publication | 
Table 2. Compliance with standards for SIP applications
| Standard | Description | 
|---|---|
| RFC 2848 | The PINT Service Protocol: Extensions to SIP and SDP for IP Access to Telephone Call Services | 
| RFC 2976 | The SIP INFO Method | 
| RFC 3050 | Common Gateway Interface for SIP | 
| RFC 3087 | Control of Service Context using SIP Request-URI | 
| RFC 3264 | An Offer/Answer Model with Session Description Protocol (SDP) | 
| RFC 3266 | Support for IPv6 in Session Description Protocol (SDP) | 
| RFC 3312 | Integration of Resource Management and Session Initiation Protocol (SIP) | 
| RFC 3313 | Private Session Initiation Protocol (SIP) Extensions for Media Authorization | 
| RFC 3319 | Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers | 
| RFC 3327 | Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts | 
| RFC 3372 | Session Initiation Protocol for Telephones (SIP-T): Context and Architectures | 
| RFC 3398 | Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping | 
| RFC 3428 | Session Initiation Protocol (SIP) Extension for Instant Messaging | 
| RFC 3455 | Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) | 
| RFC 3578 | Mapping of Integrated Services Digital Network (ISDN) User Part (ISUP) Overlap Signalling to the Session Initiation Protocol (SIP) | 
| RFC 3603 | Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture | 
| RFC 3608 | Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration | 
| RFC 3665 | Session Initiation Protocol (SIP) Basic Call Flow Examples | 
| RFC 3666 | Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows | 
| RFC 3680 | A Session Initiation Protocol (SIP) Event Package for Registrations | 
| RFC 3725 | Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP) | 
| RFC 3840 | Indicating User Agent Capabilities in the Session Initiation Protocol (SIP) | 
| RFC 3842 | A Message Summary and Message Waiting Indication Event Package for 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 3959 | The Early Session Disposition Type for the Session Initiation Protocol (SIP) | 
| RFC 3960 | Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP) | 
| RFC 3976 | Interworking SIP and Intelligent Network (IN) Applications | 
| RFC 4032 | Update to the Session Initiation Protocol (SIP) Preconditions Framework | 
| RFC 4092 | Usage of the Session Description Protocol (SDP) Alternative Network Address Types (ANAT) Semantics in the Session Initiation Protocol (SIP) | 
| RFC 4117 | Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc) | 
| RFC 4235 | An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP) | 
| RFC 4240 | Basic Network Media Services with SIP | 
| RFC 4353 | A Framework for Conferencing with the Session Initiation Protocol (SIP) | 
| RFC 4354 | A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) Service | 
| RFC 4411 | Extending the Session Initiation Protocol (SIP) Reason Header for Preemption Events | 
| RFC 4457 | The Session Initiation Protocol (SIP) P-User-Database Private-Header (P-Header) | 
| RFC 4458 | Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR) | 
| RFC 4483 | A Mechanism for Content Indirection in Session Initiation Protocol (SIP) Messages | 
| RFC 4497 | Interworking between the Session Initiation Protocol (SIP) and QSIG | 
| RFC 4508 | Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER Method |