129 17.1.2 Non-INVITE Client Transaction. Because phones generally have numeric keypads.
125 17.1.1.3 Construction of the ACK Request. In SIP, an end station has a SIP URI (a form of URL) that identifies it and is used in the SIP protocol.
125 17.1.1.1 Overview of INVITE Transaction. 120 16.12.1.3 Rewriting Record-Route Header Field Values. 118 16.12.1.2 Traversing a Strict-Routing Proxy. 116 16.12 Summary of Proxy Route Processing. 89 15.1 Terminating a Session with a BYE Request. Such a number could be a private branch exchange or an E.164 telephone number dialled through a specific gateway. A SIP address is a URI that addresses a specific telephone extension on a voice over IP system. RFC 3261 SIP: Session Initiation Protocol June 2002 13.3.1.3 The INVITE is Rejected. The SIP URI scheme is a Uniform Resource Identifier scheme for the Session Initiation Protocol multimedia communications protocol. Gurbani & Jennings Standards Track Page Trunk Groups in tel/sip URIs June 2007 Table. 59ġ0.2.1.1 Setting the Expiration Interval of Contact Addresses 60ġ0.2.1.2 Preferences among Contact Addresses. An extension to the tel URI is defined for this purpose. 56 10.2 Constructing the REGISTER Request. 49 8.2.6.1 Sending a Provisional Response. RFC 3261 SIP: Session Initiation Protocol June 2002 8.2.6 Generating the Response. 40 8.1.1.10 Additional Message Components.
Over the last couple of years, major players in the voice over IP industry have adopted SIP as their signaling. These may include anything from instant messages, to phone and video calls, to interactive multimedia conferences. RFC 3261 SIP: Session Initiation Protocol June 2002ġ Introduction. Session Initiation Protocol, or SIP, is an Internet Protocol used to initiate or terminate live communication sessions. SIP runs on top of several different transport protocols.
#Uri sip definition registration
SIP also provides a registration function thatĪllows users to upload their current locations for use by proxy However, email senders and recipients can also be identified via URI. What these resources are supposed to be can vary according to the situation. Services, implement provider call-routing policies, and provideįeatures to users. The Uniform Resource Identifier (URI) is intended to identify abstract or physical resources on the Internet. To the user's current location, authenticate and authorize users for SIP makes use of elements called proxy servers to help route requests That allow participants to agree on a set of compatible media types. SIP invitations used to create sessions carry session descriptions These sessions include Internet telephone calls, multimediaĭistribution, and multimedia conferences. Modifying, and terminating sessions with one or more participants. This document describes Session Initiation Protocol (SIP), anĪpplication-layer control (signaling) protocol for creating, Distribution of this memo is unlimited.Ĭopyright (C) The Internet Society (2002). Official Protocol Standards" (STD 1) for the standardization stateĪnd status of this protocol. Please refer to the current edition of the "Internet It is up to the RADIUS server what components of the URI are regarded in the. Internet community, and requests discussion and suggestions for The SIP-AOR attribute holds the complete URI, including parameters and other parts.
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