This best-selling 4th edition of SIP: Understanding the Session Initiation Protocol contains everything there is to know about this powerful signalling and IP telephony protocol.

What does this book cover?

SIP: Understanding the Session Initiation Protocol, Fourth Edition (Telecommunications) is a wonderful guide to the latest refinements and industrial standards regarding the SIP protocol. It explores the SIP as a component of modern internet conferencing and messaging applications, and compares the SIP to competing protocols like H.323.

SIP: Understanding the Session Initiation Protocol includes:

• A run-down of changes to the SIP dating from 2010
• New content on cybercrime and data theft
• Data on the interaction of the SDIP and the WebRTC
• Strategies for scaling telecoms feature sets efficiently
• Guidance on designing the next generations of digital networks
• Help forming new software stacks and applications

About the Authors

Dr Alan B Johnston is an important part of Avaya Inc’s technical staff. He is a specialist in the application and development of the SIP protocol. Dr Johnston did his PhD work at Lehigh University, and teaches electrical engineering at Washington University as well. He has co-authored SIP-related RFCs like SIP specification RFC 3261.

SIP: Understanding the Session Initiation Protocol is a comprehensive guide to using and developing the SIP signalling and IP telephony protocol.