IP Telephony Technology and Soft Switching (New Generation Information and Communication Planning Textbook)

Author: Gui Haiyuan
Publisher:
Publish Date: 2004-06-01
Features: This book comprehensively discusses and explains technologies related to IP telephony and softswitching. It mainly includes the basic concepts of IP telephony, the general structure of IP telephony networks, and the general processing processes of IP telephony. The technical foundations of IP telephony, voice processing technologies, the structure of the H.323 protocol stack, the structure of IP telephony systems based on the H.323 protocol, and the functions of major equipment in IP telephony networks. IP telephony technologies based on SIP, the main factors affecting the quality of service (QoS) of IP telephony, and the main measures taken by IP networks to improve the QoS of IP telephony. IP telephony systems with separated gateways and softswitching architecture, Media Gateway Control Protocol (H.248) and Signaling Transport Protocol (SIGTRAN). This book is intended as a teaching text for universities and colleges and can also serve as a technical reference for communication engineering professionals.