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SIP Trunking (paperback), 1st edition

  • Christina Hattingh
  • Darryl Sladden
  • ATM Zakaria Swapan

Published by Cisco Press (February 18th 2010) - Copyright © 2010

1st edition

SIP Trunking (paperback)

ISBN-13: 9781587144417

Includes: Paperback

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  • Paperback

    You'll get a bound printed text.


Table of contents

    Introduction xix

Part I: From TDM Trunking to SIP Trunking

Chapter 1 Overview of IP Telephony 1

    History of IP Telephony 1

    Basic Components of IP Telephony 2

        Microphones and Speakers 2

        Digital Signal Processors 3

    Comparing VoIP Signaling Protocols 4

    Call Control Elements of IP Telephony 5

        Other Physical Components of IP Telephony 5

        IP Phones 6

        IP-PBX 6

        Ethernet Switches 6

        Non-IP Phone IP Telephony Devices 6

        WAN Connectivity Device 6

        Voice Gateways 7

        Supplementary Services 9

    Summary 10

Chapter 2 Trends in IP Telephony 11

    Major Trends in IP Communications 12

    Enterprise IP Communications Endpoints 13

        Desktop Handset Trends 15

        Enterprise Softphone IP Phone Trends 16

        Enterprise WiFi IP Phone Trends 17

        Cellular Phone Trends Within Enterprises and Their Effects on SIP Trunking 18

    Endpoint Trends in Enterprises and Their Effects on SIP Trunk 19

    Feature Trends in SIP Trunking Within the Enterprise 20

    Feature Trends in SIP Trunking Between Enterprises 22

    Feature Trends in SIP Trunk for PSTN Access 24

    Feature Trends in Advanced SIP Trunking Features from

    Service Providers 26

    Feature Trends for Call Centers Services from SIP Trunk Providers 28

    Summary 30

Chapter 3 Transitioning to SIP Trunks 31

    Phase I: Assess the Current State of Trunking 33

    Phase II: Determining the Priority of the Project 34

    Phase III: Gather Information from the Local SPs 35

    Phase IV: Conducting a Pilot Implementation of SIP Trunks for PSTN Access 35

    Phase V: Transitioning a Live Department to SIP Trunks 37

    Phase VI: Transition to SIP Trunking for Call Center Locations 38

    Phase VII: Transition to SIP Trunking at Headquarters Locations 39

    Phase VIII: Transition to SIP Trunking of Branch Locations 40

    Phase IX: T

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