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What is SIP?

April 26, 2017SIP

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What is SIP?

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SIP is the Session Initiation Protocol, defined in RFC 3261. It is the most widely used standard for VoIP signaling. It was designed to be a general purpose way to set up real-time multimedia sessions between groups of participants. SIP is used during and after the call setup.

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– Sip stands for Session Iniation Protocol. Its now primarily the protocol of choice for VoIP communication. There are others such as H.

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Session Initiation Protocol. A protocol that links phone numbers to IP addresses which allows VoIP users to call and receive calls using just phone numbers.

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VoIP comes with an additional set of acronyms: SIP, H.323, and IAX. SIP stands for Session Initiation Protocol. SIP is a relatively simple protocol that has characteristics similar HTTP and SMTP.

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