SIP Pocket Guide
Your Guide to Next-Generation Signaling
PT's Session Initiation Protocol (SIP) Pocket Guide is a reference for the SIP protocol and the RFCs providing further information on the protocol. This guide can be used by anyone involved with implementation, development or study of SIP-based capabilities.

As defined by the Internet Engineering Task Force (IETF), "SIP is an application-layer control protocol that can establish, modify, and terminate multimedia sessions (conferences) such as VoIP/Internet telephony and video calls."

We hope you find this SIP Pocket Guide helpful in your SIP exploration. Download yours today!

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