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SIP
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ALSO CALLED: Session Initiation Protocol and Session Initiated Protocol
DEFINITION: The Session Initiation Protocol (SIP) is an Internet Engineering Task Force (IETF) standard protocol for initiating an interactive user session that involves multimedia elements such as video, voice, chat, gaming, and virtual reality.Like HTTP or SMTP, SIP works in the Application layer of the Open
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Definition continues below.
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The benefits of VoIP islands
| sponsored by Orange Business Services
PODCAST:
In this podcast, expert Jon Arnold explains how voice-centric IP PBXs are limited compared to converged communications, which can integrate other modes such as video, chat, email, etc.
Posted: 10 Jun 2009 | Premiered: 10 Jun 2009
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SIP Trunking Is Key to Accelerating Unified Communications Deployments
| sponsored by Sprint
ANALYST REPORT:
This report introduces the reader to Unified Communications and to SIP trunking and how it can play a key role in accelerating the deployment of UC. It also provides recommendations on how to evaluate SIP trunking providers and some thoughts for initial deployment.
Posted: 05 Jun 2009 | Published: 01 Feb 2009
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SIP DEFINITION (continued): … Systems Interconnection (OSI) communications model. The Application layer is the level responsible for ensuring that communication is possible. SIP can establish multimedia sessions or Internet telephony calls, and modify, or terminate them. The protocol can also invite participants to unicast or multicast sessions that do not necessarily involve the initiator. Because the SIP supports name mapping and redirection services, it makes it possible for users to initiate and receive communications and … SIP definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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