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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
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SIP DEFINITION (continued):
or SMTP, SIP works in the Application layer of the Open 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
SIP definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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