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

SIP Technologies can have a major impact on your entire infrastructure, so it is very important to have a structured plan first to ensure you have a clear understanding of the existing environment and capabilities you need. On SIP (Session Initiation Protocol) to enable communication between employees, a basic understanding of the workings of SSL and a working knowledge of load User Agent Client (UAC): A UAC creates a request or initiates a dialog. A SIP trunk is an IP connection that establishes a SIP . Twilio today announced its support of Session Initiation Protocol, or SIP. So granted perhaps I have added to some of the confusion, but if this blog has left you with more questions than answers and you're already on a path to UC, then stop and look to understand the importance of Secure SIP before you go any further. Levin, "A Session Initiation Protocol (SIP) Event Package for Conference State", RFC 4575, August 2006. Does SIP v2.0 permit to have the protocol running over non-standard ports (not 5060)? SIP (Session Initiation Protocol) is a standard used around the world for communicating voice or video between devices and software. Even though this type of investment will save a lot of money, it is none the You have to understand that unlike other delivery systems, SIP works independently of the type of session or the media used. Professor Henning Schulzrinne co-designed the Session Initiation Protocol (SIP) along with Professor Mark Handley. Normative References [RFC4575] Rosenberg, J., Schulzrinne, H., and O. SIP stands for Session Initiation Protocol but for the less technically savvy amongst you I'm guessing this only serves to complicate this introduction to one of the most important protocols on the internet since HTTP. If you have heard about Session Initiation Protocol (SIP) and are considering contracting this type of call control protocol for your company, one of the best things you can do is make an informed decision.