SDP: Session Description Protocol

SIP: Session Initiation Protocol

HTTP Authentication: Basic and Digest Access Authentication

The SIP INFO Method (Standards Track)

SIP: Session Initiation Protocol (Standards Track)

Reliability of Provisional Responses in the Session Initiation Protocol (SIP) (Standards Track)

An Offer/Answer Model with the Session Description Protocol (SDP)

Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA)The Session Initiation Protocol (SIP) UPDATE Method (Standards

The Session Initiation Protocol (SIP) UPDATE Method (Standards Track)

Integration of Resource Management and Session Initiation Protocol (SIP)

Private Session Initiation Protocol (SIP) Extensions for Media Authorization (Informational)

A Privacy Mechanism for the Session Initiation Protocol (SIP) (Standards Track)

Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks (Informational)

The Reason Header Field for the Session Initiation Protocol (SIP) (Standards Track)

Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts (Standards Track)

Security Mechanism Agreement for the Session Initiation Protocol (SIP) (Standards Track)

Grouping of Media Lines in the Session Description Protocol (SDP)

Session Initiation Protocol (SIP) Extension for Instant Messaging (Standards Track)

Session Initiation Protocol (SIP) Extension for Instant Messaging (Standards Track)

Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) (Informational)

Compressing the Session Initiation Protocol (SIP)

The Session Initiation Protocol (SIP) Refer Method (Standards Track)

Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) Bandwidth

An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing

Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture (Informational)

Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration (Standards Track)

Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)

Caller Preferences for the Session Initiation Protocol (SIP) (Standards Track)

A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)

The Session Initiation Protocol (SIP) "Replaces" Header (Standards Track)

The Session Initiation Protocol (SIP) Referred-By Mechanism (Standards Track)

Session Initiation Protocol (SIP) Authenticated Identity Body (AIB) Format

Session Initiation Protocol (SIP) Extension for Event State Publication (Standards Track)

The Session Initiation Protocol (SIP) "Join" Header (Standards Track)

The tel URI for Telephone Numbers

Session Timers in the Session Initiation Protocol (SIP) (Standards Track)

Update to the Session Initiation Protocol (SIP) Preconditions Framework

The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP)

An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)

Basic Network Media Services with SIP

An Extension to the Session Initiation Protocol (SIP) for Request History Information (Standards Track)

Communications Resource Priority for the Session Initiation Protocol (SIP) (Standards Track)

The Session Initiation Protocol (SIP) P-User-Database Private-Header (P-Header) (Informational)

Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)

Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP) (Standards Track)

Session Initiation Protocol (SIP) Torture Test Messages (Informational)

A Mechanism for Content Indirection in Session Initiation Protocol (SIP) Messages

Suppression of Session Initiation Protocol (SIP) REFER Method Implicit Subscription (Standards Track)

Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP) (Standards Track)

SDP: Session Description Protocol

Session Description Protocol (SDP) Security Descriptions for Media Streams

Internet Assigned Numbers Authority (IANA) Registration of the Message Media Feature Tag

Number Portability Parameters for the "tel" URI

The Integrated Services Digital Network (ISDN) Subaddress Encoding Type for tel URI

The ENUM Dip Indicator Parameter for the "tel" URI

Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)

The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over Cellular (Informational)

The Message Session Relay Protocol (MSRP)

The Session Initiation Protocol (SIP) P-Profile-Key Private Header (P-Header) (Informational)

Private Header (P-Header) Extension to (Informational)

Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)

Rejecting Anonymous Requests in the Session Initiation Protocol (SIP)

Session Initiation Protocol (SIP) Torture Test Messages for Internet Protocol Version 6 (IPv6) (Informational)

The Session Initiation Protocol (SIP) P-Refused-URI-List Private-Header (P-Header)

A Framework for Consent-based Communications in the Session Initiation Protocol (SIP)

Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)

Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)

Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)

Referring to Multiple Resources in the Session Initiation Protocol (SIP)

Requesting Answering Modes for the Session Initiation Protocol (SIP)

Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking Proxies

IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority Namespaces

The SIP P-Served-User Private-Header (P-Header) for the 3GPP IP Multimedia (IM) Core Network (CN) Subsystem

Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture

Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)

Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)

A Framework for Application Interaction in the Session Initiation Protocol (SIP)

The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)

Session Initiation Protocol (SIP) Session Mobility

Addressing Record-Route Issues in the Session Initiation Protocol (SIP)

User-Agent-Driven Privacy Mechanism for SIP

Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)

Diversion Indication in SIP (Historic)

An Extension to Session Initiation Protocol (SIP) Events for Conditional Event Notification

Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) Deployments

Updates to Asserted Identity in the Session Initiation Protocol (SIP)

Connection Reuse in the Session Initiation Protocol (SIP)

A Session Initiation Protocol (SIP) Extension for the Identification of Services

A Framework for Session Initiation Protocol User Agent Profile Delivery

Session Initiation Protocol (SIP) INFO Method and Package Framework (Standards Track)

Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)

Indication of Support for Keep-Alive

Session Initiation Protocol (SIP) Response Code for Indication of Terminated Dialog

Location Conveyance for the Session Initiation Protocol

SIP-Specific Event Notification

A Framework for Session Initiation Protocol (SIP) Session Policies

The WebSocket Protocol as a Transport for the Session Initiation Protocol (SIP)

Session Initiation Protocol (SIP) Overload Control)

The SIP PING Method draft-fwmiller-ping-03 (DRAFT)

SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks (Expired)

Uniform Resource Identifier (URI) Parameters for indicating the Calling Party's Category and Originating Line Information

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)

3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G Security; Security architecture (Release 9)

3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G security; Access security for IP-based services (Release 9)