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SIP: Understanding the Session Initiation Protocol Alan B. Johnston
Publisher: artech-house

The growing thirst among communications providers, their partners and subscribers for a new generation of IP based services is now being quenched by SIP – the Session Initiation Protocol. A key component of this is the Session Initiation Protocol (SIP). Does SIP v2.0 permit to have the protocol running over non-standard ports (not 5060)? The contents of this assignment have been taken from the web and arranged in a manner so that this assignment can provide the basic understanding about the SIP. Session Initiation Protocol (SIP): Most popular VoIP signaling protocol, lightweight and multipurpose, can also be used for video, instant messaging, etc. This lets you add SIP-based internet telephony features to your applications. In many cases, it is also being displaced by SIP. Android provides an API that supports the Session Initiation Protocol (SIP). An idea born in a computer science laboratory less than a .. The answer to this question continues to evolve and is influenced by one's understanding of either telecommunications or packet switching. SIP acts as a signalling protocol. SIP (Session Initiation Protocol) is a signaling protocol used to create, manage and terminate sessions in an IP based network. I like to begin first with the definition of SIP or Session Initiation Protocol.