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SIP

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ALSO CALLED: Session Initiation Protocol, 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 Systems Interconnection (OSI) communications model. The Application layer is the level responsible  … 
Definition continues below.
SIPReports
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Tuning Applications for IP
sponsored by AT&T Corp
WHITE PAPER: A move to IP delivers the most value when a majority of applications and facilities are migrated to the converged network.
Posted: 30 Jan 2008 | Published: 01 Jan 2008

TOPICS:  IP | SIP | Web Services
AT&T Corp

Integration Challenges in Triple-Play Service Delivery
sponsored by IONA Technologies
WHITE PAPER: This Yankee Group report discusses IMS architecture as well as current trends in web services and service-oriented architecture (SOA).
Posted: 03 Oct 2007 | Published: 01 Feb 2006

IONA Technologies

Robust Infrastructure for SOA: A Technical Introduction to WebSphere Application Server V6.1
sponsored by IBM Software Group
WHITE PAPER: IBM WebSphere Application Server, Version 6.1 is the foundation of the IBM WebSphere software platform and is the key building block for a Service Oriented Architecture (SOA).
Posted: 16 Nov 2006 | Published: 01 Nov 2006

IBM Software Group

Alcatel Intelligent Mobile Redirect: One Device, One Number, Any Where
sponsored by Alcatel
PRODUCT LITERATURE: Alcatel's Intelligent Mobile Redirect (IMR) Solution is a flexible, fully open, fixedmobile convergence solution that ensures users are reachable on one device, one number, anywhere.
Posted: 07 Jul 2006 | Published: 01 Jul 2006

Alcatel

Alcatel UMA Solution: Unlicensed Mobile Access
sponsored by Alcatel
PRODUCT LITERATURE: Unlicensed mobile access (UMA) technology provides access to GSM and GPRS mobile services over unlicensed spectrum technologies, including Bluetooth and 802.11 (WiFi).
Posted: 07 Jul 2006 | Published: 01 Feb 2006

Alcatel

IMS Solution for Mobile Service Providers
sponsored by Alcatel
PRODUCT LITERATURE: The IP Multimedia Subsystem (IMS) is a framework for providing much more than VoIP, it provides real multimedia services, combining text, images and video.
Posted: 07 Jul 2006 | Published: 01 Jul 2006

Alcatel
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SIP DEFINITION (continued): …  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 services from any location, and for networks to identify the users whereever they are.SIP is a request-response protocol, dealing with requests from clients and responses from servers. Participants … 
SIP definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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