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Carrier Grade Voice Over IP / Edition 2
     

Carrier Grade Voice Over IP / Edition 2

by Daniel Collins
 

ISBN-10: 0071406344

ISBN-13: 9780071406345

Pub. Date: 09/17/2002

Publisher: McGraw-Hill Professional Publishing

NEW EDITION OF---CUTTING-EDGE SOLUTIONS CUT-TO-THE-CHASE STYLE

In the race to put carrier-quality voice over IP (VoIP)——those using this book run faster and falter less. International expert Daniel Collins’ greatly enhanced Carrier Grade Voice over IP brings you leading-edge signaling schemes, protocol apps, and quality of service

Overview

NEW EDITION OF---CUTTING-EDGE SOLUTIONS CUT-TO-THE-CHASE STYLE

In the race to put carrier-quality voice over IP (VoIP)——those using this book run faster and falter less. International expert Daniel Collins’ greatly enhanced Carrier Grade Voice over IP brings you leading-edge signaling schemes, protocol apps, and quality of service (QoS) techniques—and more importantly, the answers to making them work together.

Skipping needless history, chitchat, and math, Collins gets right down to solutions with solid information on protocols’ purposes and uses. He gives you the newest information with hands-on details, showing you how to:

* Use ITU and IETF protocols to build next-generation networks

* Enable advanced features and services, including expanded SIP coverage

* Provide wireline-quality service with resource reservation schemes and QoS techniques, including the latest information on MPLS advances

* Overcome limitations inherent in IP

* Seamlessly interwork VoIP systems with traditional telephony networks

* Design real-world VoIP networks (new chapter)

* Pull the pieces together into a system that works—and does not break

Complete with numerous specific examples of how the protocols are used and integrated, this just-in-time guide supplies the solutions you need to roll out competitive quality VoIP.

Jumpstart carrier-quality VoIP with help from international expert Daniel Collins

Product Details

ISBN-13:
9780071406345
Publisher:
McGraw-Hill Professional Publishing
Publication date:
09/17/2002
Series:
Professional Telecom Series
Edition description:
REV
Pages:
522
Product dimensions:
1.09(w) x 9.69(h) x 7.44(d)

Table of Contents

Prefacexvii
Chapter 1Introduction1
What Is Meant by Carrier-Grade?2
What Is Meant by VoIP?3
A Little about IP4
Why VoIP?5
The VoIP Market15
VoIP Challenges16
Overview of the Following Chapters22
Chapter 2Transporting Voice by Using IP25
Overview of the IP Protocol Suite27
Internet Standards and the Standards Process30
The Internet Protocol (IP)33
The Transmission Control Protocol (TCP)38
The User Datagram Protocol (UDP)44
The Real-Time Transport Protocol (RTP)46
The RTP Control Protocol (RTCP)56
IP Multicast67
IP Version 6 (IPv6)68
Chapter 3Speech-Coding Techniques79
Voice Quality81
A Little about Speech82
Voice Sampling86
Types of Speech Coders88
G.71190
Adaptive Differential PCM (ADPCM)90
Analysis-by-Synthesis (AbS) Codecs91
Selecting Codecs98
Cascaded Codecs100
Tones, Signals, and Dual-Tone Multifrequency (DTMF) Digits100
Chapter 4H.323105
The H.323 Architecture107
Overview of H.323 Signaling109
RAS Signaling115
Call Signaling129
Call Scenarios135
H.245 Control Signaling142
Conference Calls155
The Decomposed Gateway158
Chapter 5The Session Initiation Protocol (SIP)161
The Popularity of SIP162
The SIP Architecture163
Overview of SIP Messaging Syntax169
Examples of SIP Message Sequences182
Redirect and Proxy Servers189
The Session Description Protocol (SDP)196
Usage of SDP with SIP206
SIP Extensions and Enhancements212
Usage of SIP for Features and Services231
Interworking236
Summary245
Chapter 6Media Gateway Control and the Softswitch Architecture247
Separation of Media and Call Control248
Softswitch Architecture250
Requirements for Media Gateway Control252
Protocols for Media Gateway Control253
MGCP254
MEGACO/H.248281
Chapter 7VoIP and SS7313
The SS7 Protocol Suite315
SS7 Network Architecture318
ISUP324
Performance Requirements for SS7327
Sigtran328
Interworking SS7 and VoIP Architectures369
Chapter 8Quality of Service (QoS)377
The Need for QoS378
Overview of QoS Solutions381
The Resource Reservation Protocol (RSVP)387
DiffServ404
Multiprotocol Label Switching (MPLS)410
Combining QoS Solutions434
Chapter 9Designing a Voice over IP Network437
Design Criteria439
Product and Vendor Selection446
Traffic Forecasts450
Node Locations and Bandwidth Requirements455
Physical Connectivity470
Appendix ATable of Erlang B473
Appendix BVisual Basic Code for Erlang Calculations489
Glossary of Acronyms491
References499
Index507

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