RFC2327
SDP: Session Description Protocol
RFC2543
SIP: Session Initiation Protocol
Obsoleted by RFC3261
RFC2617
HTTP Authentication: Basic and Digest Access Authentication
RFC2976
The SIP INFO Method (Standards Track)
RFC3261
SIP: Session Initiation Protocol (Standards Track)
RFC3262
Reliability of Provisional Responses in the Session Initiation Protocol (SIP) (Standards Track)
RFC3264
An Offer/Answer Model with the Session Description Protocol (SDP)
RFC3310
Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA)The Session Initiation Protocol (SIP) UPDATE Method (Standards
RFC3311
The Session Initiation Protocol (SIP) UPDATE Method (Standards Track)
RFC3312
Integration of Resource Management and Session Initiation Protocol (SIP)
RFC3313
Private Session Initiation Protocol (SIP) Extensions for Media Authorization (Informational)
RFC3323
A Privacy Mechanism for the Session Initiation Protocol (SIP) (Standards Track)
RFC3325
Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks (Informational)
RFC3326
The Reason Header Field for the Session Initiation Protocol (SIP) (Standards Track)
RFC3327
Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts (Standards Track)
RFC3329
Security Mechanism Agreement for the Session Initiation Protocol (SIP) (Standards Track)
RFC3388
Grouping of Media Lines in the Session Description Protocol (SDP)
RFC3420
Session Initiation Protocol (SIP) Extension for Instant Messaging (Standards Track)
RFC3428
Session Initiation Protocol (SIP) Extension for Instant Messaging (Standards Track)
RFC3455
Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) (Informational)
RFC3486
Compressing the Session Initiation Protocol (SIP)
Compression parameters supported. Compression and decompression not supported.
RFC3515
The Session Initiation Protocol (SIP) Refer Method (Standards Track)
RFC3556
Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) Bandwidth
RFC3581
An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
RFC3603
Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture (Informational)
Obsoleted by RFC5503
RFC3608
Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration (Standards Track)
RFC3840
Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)
RFC3841
Caller Preferences for the Session Initiation Protocol (SIP) (Standards Track)
RFC3842
A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)
RFC3891
The Session Initiation Protocol (SIP) "Replaces" Header (Standards Track)
RFC3892
The Session Initiation Protocol (SIP) Referred-By Mechanism (Standards Track)
RFC3893
Session Initiation Protocol (SIP) Authenticated Identity Body (AIB) Format
RFC3903
Session Initiation Protocol (SIP) Extension for Event State Publication (Standards Track)
RFC3911
The Session Initiation Protocol (SIP) "Join" Header (Standards Track)
RFC3966
The tel URI for Telephone Numbers
RFC4028
Session Timers in the Session Initiation Protocol (SIP) (Standards Track)
RFC4032
Update to the Session Initiation Protocol (SIP) Preconditions Framework
RFC4168
The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP)
RFC4235
An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)
RFC4240
Basic Network Media Services with SIP
RFC4244
An Extension to the Session Initiation Protocol (SIP) for Request History Information (Standards Track)
RFC4412
Communications Resource Priority for the Session Initiation Protocol (SIP) (Standards Track)
RFC4457
The Session Initiation Protocol (SIP) P-User-Database Private-Header (P-Header) (Informational)
RFC4458
Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)
RFC4474
Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP) (Standards Track)
RFC4475
Session Initiation Protocol (SIP) Torture Test Messages (Informational)
RFC4483
A Mechanism for Content Indirection in Session Initiation Protocol (SIP) Messages
RFC4488
Suppression of Session Initiation Protocol (SIP) REFER Method Implicit Subscription (Standards Track)
RFC4538
Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP) (Standards Track)
RFC4566
SDP: Session Description Protocol
RFC4568
Session Description Protocol (SDP) Security Descriptions for Media Streams
RFC4569
Internet Assigned Numbers Authority (IANA) Registration of the Message Media Feature Tag
RFC4694
Number Portability Parameters for the "tel" URI
RFC4715
The Integrated Services Digital Network (ISDN) Subaddress Encoding Type for tel URI
RFC4759
The ENUM Dip Indicator Parameter for the "tel" URI
RFC4904
Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)
RFC4964
The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over Cellular (Informational)
RFC4975
The Message Session Relay Protocol (MSRP)
Signaling support only
RFC5002
The Session Initiation Protocol (SIP) P-Profile-Key Private Header (P-Header) (Informational)
RFC5009
Private Header (P-Header) Extension to (Informational)
RFC5049
Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)
Parameter support only. Compression and decompression not supported.
RFC5079
Rejecting Anonymous Requests in the Session Initiation Protocol (SIP)
RFC5118
Session Initiation Protocol (SIP) Torture Test Messages for Internet Protocol Version 6 (IPv6) (Informational)
RFC5318
The Session Initiation Protocol (SIP) P-Refused-URI-List Private-Header (P-Header)
RFC5360
A Framework for Consent-based Communications in the Session Initiation Protocol (SIP)
RFC5365
Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)
RFC5366
Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)
RFC5367
Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)
RFC5368
Referring to Multiple Resources in the Session Initiation Protocol (SIP)
RFC5373
Requesting Answering Modes for the Session Initiation Protocol (SIP)
RFC5393
Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking Proxies
RFC5478
IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority Namespaces
RFC5502
The SIP P-Served-User Private-Header (P-Header) for the 3GPP IP Multimedia (IM) Core Network (CN) Subsystem
RFC5503
Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture
RFC5626
Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)
RFC5627
Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)
RFC5629
A Framework for Application Interaction in the Session Initiation Protocol (SIP)
RFC5630
The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)
RFC5631
Session Initiation Protocol (SIP) Session Mobility
RFC5658
Addressing Record-Route Issues in the Session Initiation Protocol (SIP)
RFC5767
User-Agent-Driven Privacy Mechanism for SIP
RFC5768
Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)
RFC5806
Diversion Indication in SIP (Historic)
RFC5839
An Extension to Session Initiation Protocol (SIP) Events for Conditional Event Notification
RFC5853
Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) Deployments
RFC5876
Updates to Asserted Identity in the Session Initiation Protocol (SIP)
RFC5923
Connection Reuse in the Session Initiation Protocol (SIP)
RFC6050
A Session Initiation Protocol (SIP) Extension for the Identification of Services
RFC6080
A Framework for Session Initiation Protocol User Agent Profile Delivery
RFC6086
Session Initiation Protocol (SIP) INFO Method and Package Framework (Standards Track)
RFC6140
Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)
RFC6223
Indication of Support for Keep-Alive
RFC6228
Session Initiation Protocol (SIP) Response Code for Indication of Terminated Dialog
RFC6442
Location Conveyance for the Session Initiation Protocol
RFC6665
SIP-Specific Event Notification
Obsoletes RFC3265
RFC6794
A Framework for Session Initiation Protocol (SIP) Session Policies
RFC7118
The WebSocket Protocol as a Transport for the Session Initiation Protocol (SIP)
Parameters supported
RFC7339
Session Initiation Protocol (SIP) Overload Control)
Parameters supported
draft-fwmiller-ping-03
The SIP PING Method draft-fwmiller-ping-03 (DRAFT)
draft-ietf-sip-privacy-04
SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks (Expired)
draft-patel-dispatch-cpc-oli-parameter
Uniform Resource Identifier (URI) Parameters for indicating the Calling Party's Category and Originating Line Information
3GPP TS 24.229 v9.3.1
3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 (Release 9)
3GPP TS 33.102 v9.2.0
3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G Security; Security architecture (Release 9)
3GPP TS 33.203 v9.3.0
3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G security; Access security for IP-based services (Release 9)