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A Complete Guide to Session Initiation Protocol (SIP)

Hodusoft

A Complete Guide to Session Initiation Protocol (SIP) Session Initiation Protocol (SIP) is one of the most commonly used protocols in Voice over Internet Protocol (VoIP) technology. The protocol was developed by the Internet Engineering Task Force in 1996 and standardized in 1999. In 2022, it stood at USD 14.69 billion by 2029.

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