Session Initiation Protocol (SIP) is a central part of an effective unified communications (UC) strategy. SIP binds multiple media types together and allows for the seamless integration of voice, video and IM. It allows flexibility and choice in any enterprise's UC deployment, and neglecting to include SIP could lead to a rigid UC strategy with a single vendor solution.
In this month's edition of Reality Check, telecom analyst and resident expert Jon Arnold discusses the five things you should know about SIP. Take a listen and learn about SIP trunking, presence, mobile SIP and more.
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Reality Check: Five things you should know about SIP
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This was first published in April 2009