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Implementing Cisco Unified Communications Voice over IP and QoS (Cvoice) Foundation Learning Guide: (CCNP Voice CVoice 642-437), Rough Cuts: (CCNP Voice CVoice 642-437), 4th Edition

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  • Copyright 2011
  • Dimensions: 7-3/8 X 9-1/8
  • Pages: 600
  • Edition: 4th
  • Rough Cuts
  • ISBN-10: 0-13-210343-5
  • ISBN-13: 978-0-13-210343-5

This is the Rough Cut version of the printed book.

Implementing Cisco Unified Communications Voice over IP and QoS (CVOICE)

Foundation Learning Guide

Foundation Learning for the CCNP® Voice (CVOICE) 642-437 Exam

Kevin Wallace, CCIE®  No. 7945

Implementing Cisco Unified Communications Voice over IP and QoS (CVOICE) Foundation Learning Guide is a Cisco®-authorized, self-paced learning tool for CCNP Voice foundation learning. Developed in conjunction with the Cisco CCNP Voice certification team, it covers all aspects of planning, designing, and deploying Cisco VoIP networks and integrating gateways, gatekeepers, and QoS into them.

Updated throughout for the new CCNP Voice (CVOICE) Version 8.0 exam (642-437), this guide teaches you how to implement and operate gateways, gatekeepers, Cisco Unified Border Element, Cisco Unified Communications Manager Express, and QoS in a voice network architecture. Coverage includes voice gateways, characteristics of VoIP call legs, dial plans and their implementation, basic implementation of IP phones in Cisco Unified Communications Manager Express environment, and essential information about gatekeepers and Cisco Unified Border Element. The book also provides information on voice-related QoS mechanisms that are required in Cisco Unified Communications networks.

Fourteen video lab demonstrations on the accompanying CD-ROM walk you step by step through configuring DHCP servers, CUCME autoregistration, ISDN PRI circuits, PSTN dial plans, DID, H.323 and MGCP gateways, VoIP dial peering, gatekeepers, COR, AutoQoS VoIP, and much more.

Whether you are preparing for CCNP Voice certification or simply want to gain a better understanding of VoIP and QoS, you will benefit from the foundation information presented in this book.


-  Voice gateways, including operational modes, functions, related call leg types, and routing techniques

-  Gateway connections to traditional voice circuits via analog and digital interfaces

-  Basic VoIP configuration, including A/D conversion, encoding, packetization, gateway protocols, dial peers, and transmission of DTMF, fax, and modem tones

-  Supporting Cisco IP Phones with Cisco Unified Communications Manager Express

-  Dial plans, including digit manipulation, path selection, calling privileges, and more

-  Gatekeepers, Cisco Unified Border Elements, and call admission control (CAC) configuration

-  QoS issues and mechanisms

-  Unique DiffServ QoS characteristics and mechanisms

-  Cisco AutoQoS configuration and operation

Companion CD-ROM

The CD-ROM that accompanies this book contains 14 video lab demonstrations running approximately 90 minutes.

This book is in the Foundation Learning Guide Series. These guides are developed together with Cisco® as the only authorized, self-paced learning tools that help networking professionals build their understanding of networking concepts and prepare for Cisco certification exams.

Table of Contents

Introduction xxx

Chapter 1 Introducing Voice Gateways 1

The Role of Gateways 1

    Traditional Telephony Networks 2

    Cisco Unified Communications Overview 3

    Cisco Unified Communications Architecture 4

    Cisco Unified Communications Business Benefits 5

    Cisco Unified Communications Gateways 6

        Gateway Operation 7

        Comparing VoIP Signaling Protocols 10

    Gateway Deployment Example 12

    IP Telephony Deployment Models 13

        Single-Site Deployment 14

        Multisite WAN with Centralized Call-Processing Deployment 16

        Multisite WAN with Distributed Call-Processing Deployment 20

        Clustering over the IP WAN Deployment 24

    Modern Gateway Hardware Platforms 27

        Cisco 2900 Series Integrated Services Routers 27

        Cisco 3900 Series Integrated Services Routers 27

    Well-Known Older Enterprise Models 27

        Cisco 2800 Series Integrated Services Routers 28

        Cisco 3800 Series Integrated Services Routers 29

    Specialized Voice Gateways 30

        Cisco ATA 186 30

        Cisco VG248 Analog Phone Gateway 30

        Cisco AS5350XM Series Universal Gateway 30

        Cisco AS5400 Series Universal Gateway Platforms 31

        Cisco 7200 Series Routers 32

    Gateway Operational Modes 32

        Voice Gateway Call Legs 33

        Voice-Switching Gateway 34

        VoIP Gateway 34

        Cisco Unified Border Element 35

How Voice Gateways Route Calls 36

    Gateway Call-Routing Components 36

        Dial Peers 37

        Call Legs 39

    Configuring POTS Dial Peers 41

    Matching a Dial Peer 43

    Matching Outbound Dial Peers 48

    Default Dial Peer 49

    Direct Inward Dialing 50

        Two-Stage Dialing 51