SIP: Understanding the Session Initiation Protocol by Alan B. Johnston

SIP: Understanding the Session Initiation Protocol



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SIP: Understanding the Session Initiation Protocol Alan B. Johnston ebook
Page: 427
Publisher: Artech House Publishers
Format: pdf
ISBN: 1607839954, 9781607839958


SIP is a lightweight protocol and is similar in many ways to HTTP (Hyper-Text Transport Protocol). SIP: Understanding the Session Initiation Protocol by Alan B. IETF neither intended nor attempted to make it suitable for PSTN. SIP (Session Initiation Protocol) was developed by IETF (RFC 3261). Download SIP: Understanding the Session Initiation Protocol. First we have to look at SIP to understand what SIPTAS is. SIP is abbreviation of Session Initiation Protocol. It is most commonly used in the IP world. SIP is a standard of Internet Engineering Task Force (IETF). SIP: Understanding the Session Initiation Protocol. SIP is responsible for the set-up, It is important to understand this distinction as SIP is not your voice communication; SIP is means for systems to understand how your devices (phones, servers, PBX') handle your communications. To understand what SIP Trunking is and why you should care about it, we have to first understand where your voice networks and your data networks are today. At this time, Session Initiation Protocol (SIP) is probably the most commonly used VoIP signalling protocol.