Implementing Cisco Unified Communications Manager, Part 2 (CIPT2) (Authorized Self-Study Guide), Rough Cuts

• Copyright 2009
• Dimensions: 7-3/8 X 9-1/8
• Pages: 528
• Edition: 1st

• Rough Cuts
• ISBN-10: 1-58705-615-1
• ISBN-13: 978-1-58705-615-4

This is a working draft of a pre-release book. It is available before the published date as part of the Rough Cuts service.

Authorized Self-Study Guide

Implementing Cisco Unified Communications Manager

Part 2 (CIPT2)

Foundation learning for CIPT2 exam 642-456

Chris Olsen

Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), is a Cisco®-authorized, self-paced learning tool for CCVP® foundation learning. This book provides you with the knowledge needed to install and configure a Cisco Unified Communications Manager solution in a multisite environment. By reading this book, you will gain a thorough understanding of how to apply a dial plan for a multisite environment, configure survivability for remote sites during WAN failure, implement solutions to reduce bandwidth requirements in the IP WAN, enable Call Admission Control (CAC) and automated alternate routing (AAR), and implement device mobility, extension mobility, Cisco Unified Mobility, and voice security.

This book focuses on Cisco Unified CallManager Release 6.0, the call routing and signaling component for the Cisco Unified Communications solution. It also includes H.323 and Media Gateway Control Protocol (MGCP) gateway implementation, the use of a Cisco Unified Border Element, and configuration of Survivable Remote Site Telephony (SRST), different mobility features, and voice security.

Whether you are preparing for CCVP certification or simply want to gain a better understanding of deploying Cisco Unified Communications Manager in a multisite environment, you will benefit from the foundation information presented in this book.

Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.

Chris Olsen is the president and founder of System Architects, Inc., a training and consulting firm specializing in Cisco, Microsoft, and Novell networking;

IP telephony; and information technologies. Chris has been teaching and consulting in the networking arena for more than 15 years. He currently holds his CCNA®, CCDA®, CCNP®, and CCVP certifications, as well as various Microsoft certifications.

• Identify multisite issues and deployment solutions
• Implement multisite connections
• Apply dial plans for multisite deployments

• Examine remote site redundancy options
• Deploy Cisco Unified Communications Manager Expressin SRST mode

• Implement bandwidth management, call admission control (CAC), and call applications on Cisco IOS® gateways

• Configure device, extension mobility, and Cisco unified mobility
• Understand cryptographic fundamentals and PKI
• Implement security in Cisco Unified Communications Manager

This volume is in the Certification Self-Study Series offered by Cisco Press®. Books in this series provide officially developed self-study solutions to help networking professionals understand t

Table of Contents

Foreword xx
Introduction xxi

Chapter 1 Identifying Issues in a Multisite Deployment 3

Chapter Objectives 3
Multisite Deployment Challenge Overview 3
Quality Challenges 5
Bandwidth Challenges 6
Availability Challenges 8
Dial Plan Challenges 9
    Overlapping and Nonconsecutive Numbers 12
    Fixed Versus Variable-Length Numbering Plans 13
    Variable-Length Numbering, E.164 Addressing, and DID 15
    Optimized Call Routing and PSTN Backup 15
NAT and Security Issues 17
Chapter Summary 18
References 19
Review Questions 19

Chapter 2 Identifying Multisite Deployment Solutions 23
Chapter Objectives 23
Multisite Deployment Solution Overview 24
Quality of Service 24
    QoS Advantages 25
Solutions to Bandwidth Limitations 26
    Low-Bandwidth Codecs and RTP-Header Compression 28
    Codec Configuration in CUCM 29
    Disabled Annunciator 29
    Local Versus Remote Conference Bridges 30
    Mixed Conference Bridge 30
    Transcoders 31
    Multicast MOH from the Branch Router Flash 33
Availability 37
    PSTN Backup 38
    MGCP Fallback 39
    Fallback for IP Phones 40
    Using CFUR During WAN Failure 42
    Using CFUR to Reach Users on Cell Phones 42
    AAR and CFNB 43
Mobility Solutions 44
Dial Plan Solutions 44
    Dial Plan Components in Multisite Deployments 45
NAT and Security Solutions 46
    Cisco Unified Border Element in Flow-Through Mode 46
Summary 48
References 48
Review Questions 48

Chapter 3 Implementing Multisite Connections 53
Chapter Objectives 53
Examining Multisite Connection Options 54
    MGCP Gateway Characteristics 55
    H.323 Gateway Characteristics 55
    SIP Trunk Characteristics 56
H.323 Trunk Overview 56
    H.323 Trunk Comparison 57
MGCP Gateway Implementation 59
H.323 Gateway Implementation 61
    Cisco IOS H.323 Gateway Configuration 63
    CUCM H.323 Gateway Configuration 64
Trunk Implementation Overview 65
    Gatekeeper-Controlled ICT and H.225 Trunk Configuration 66
    Implementing SIP Trunks 67
    Implementing Intercluster and H.225 Trunks 69
CUCM Gatekeeper-Controlled ICT and H.225 Trunk Configuration 70
Summary 73
References 73
Review Questions 74

Chapter 4 Implementing a Dial Plan for Multisite Deployments 79
Chapter Objectives 79
Multisite Dial Plan Overview 79
Implementing Access and Site Codes 80
    Implementing Site Codes for On-Net Calls 80
    Digit-Manipulation Requirements When Using Access and Site Codes 80
    Access and Site Code Requirements for Centralized Call-
        Processing Deployments 82
Implementing PSTN Access 83
    Transformation of Incoming Calls Using ISDN TON 84
Implementing Selective PSTN Breakout 86
    Configure IP Phones to Use Remote Gateways for Backup PSTN Access 87
    Considerations When Using Backup PSTN Gateways 88
Implementing PSTN Backup for On-Net Intersite Calls 89
    Digit-Manipul

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