Since the release of the first internet phone in 1995, the use
of voice over internet protocol (VoIP) has grown exponentially, so
that today it is an established and popular technology for
real-time communications in both business and daily life.
This "Guide to Voice and Video over IP" introduces the
fundamental techniques underpinning the huge success and global
penetration of VoIP. After highlighting the benefits and growing
importance of VoIP, the text presents a review of the latest
advances in speech and video compression, computer networking
protocols, the assessment and monitoring of VoIP quality, and next
generation network architectures for multimedia services. Numerous
practical examples, complete with real trace data, illustrate and
explain the concepts. The book also concludes with three case
studies, each presenting easy-to-follow step-by-step instructions
together with challenging hands-on exercises.
Topics and features: provides illustrative worked examples and
end-of-chapter problems, enabling readers to check their
understanding and stretch their knowledge; examines speech and
video compression techniques, together with speech and video
compression standards; describes the media transport protocols RTP
and RTCP, as well as the VoIP signalling protocols SIP and SDP;
discusses the concepts of VoIP quality of service and quality of
experience; reviews next-generation networks based on the IP
multimedia subsystem and mobile VoIP; presents case studies on
building a VoIP system based on Asterisk, setting up a mobile VoIP
system based on Open IMS and Android mobile, and analysing VoIP
protocols and quality.
This teaching lab and classroom-tested textbook/guide is ideal
for final-year undergraduate and first-year postgraduate courses in
computer science and electronic engineering. Engineers in industry,
and others with a general interest in VoIP, will also find this an
invaluable practical reference.
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