Carrier Grade Voice Over IP

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McGraw Hill Professional, Oct 8, 2002 - Technology & Engineering - 522 pages
In 2002 voice over IP will constitute more than 25% of all long distance voice calls, according to Network World. That’s more than a 30% ramp-up from 2001. The emergence of SIP, MPLS and new quality of service tools is making carrier grade voice over IP a service reality, and a potentially huge margin booster and revenue driver for service providers. The first edition of Carrier Grade Voice over IP played a roll in VoIP growth, in less than year becoming an essential tool for carriers working to provide high quality IP telephony. This new edition vastly updates the SIP chapter, details MPLS, and takes the explanations of the previous edition a step further in a final chapter that shows, step by step, how to design working VoIP networks.
 

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Contents

Chapter 1 Introduction
1
Chapter 2 Transporting Voice by Using IP
25
Chapter 3 SpeechCoding Techniques
79
Chapter 4 H323
105
Chapter 5 The Session Initiation Protocol SIP
161
Chapter 6 Media Gateway Control and the Softswitch Architecture
247
Chapter 7 VoIP and SS7
313
Chapter 8 Quality of Service QoS
377
Chapter 9 Designing a Voice over IP Network
437
Table of Erlang B
473
Visual Basic174 Code for Erlang Calculations
489
Glossary of Acronyms
491
References
499
Index
507
Copyright

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About the author (2002)

Daniel Collins has worked in the telecommunications industry for 15 years. He spent approximately nine years with Ericsson in various countries, including Ireland, Australia, the United Kingdom and the United States. During that time he worked extensively with both wireline and wireless network technologies. He helped to develop and deploy 2G wireless systems in Europe; he played a major role in the adaptation of GSM standards for use in the United States; and he was a major contributor to the launch of some of the earliest PCS networks in North America.

Since leaving Ericsson, Daniel has worked for a new telecommunications carrier and, more recently as a consultant. In a consultancy capacity, he has provided wireless and VoIP engineering expertise to numerous network operators, consultancy companies and infrastructure vendors. Daniel's clients include PrimeCo Personal Communications (now part of Verizon Wireless), Synacom Technology, AT&T Wireless, Alcatel USA and several other companies.

Collins is co-author of 3G Wireless Networks, published by McGraw-Hill. He holds a degree in Electrical and Electronic engineering from the National University of Ireland.

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