Rough Cuts are manuscripts that are developed but not yet published, available through Safari. Rough Cuts provide you access to the very latest information on a given topic and offer you the opportunity to interact with the author to influence the final publication.
This is the Rough Cut version of the printed book.
Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), Second Edition is a Cisco®-authorized, self-paced learning tool for CCNP Voice® 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, and implement solutions to reduce bandwidth requirements in the IP WAN.
This book focuses on Cisco Unified Communications Manager (CUCM) Release 8.x, the call routing and signaling component for the Cisco Unified Communications solution. The book has been fully updated and includes new coverage of topics such as Service Advertisement Framework (SAF), and Call Control Discovery (CCD).
Whether you are preparing for CCNP Voice 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), Second Edition, 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, CCVP, and CCNP, along with numerous other Cisco voice specializations, Microsoft, VMware, and Novell certifications, has been an independent IT and telephony consultant, author, and technical editor for more than 15 years. He has been a technical trainer for more than 19 years and has taught more than 60 different courses in Cisco, Microsoft, VMware, and Novell. For the last seven years he has specialized in Cisco, and recently Microsoft Unified Communications along with VMware virtualization and Cisco data center technologies. He has done a wide array of IT and telephony consulting for many different companies.
· Identify multisite issues and deployment solutions
· Implement multisite connections
· Apply dial plans for multisite deployments
· Examine remote site redundancy options
· Implement Survivable Remote Site Telephony (SRST) and Media Gateway Control Protocol (MGCP) Fallback
· Implement CUCM Express in SRST mode
· Implement bandwidth management and call admission control (CAC)
· Configure device and extension mobility
· Apply Service Advertisement Framework (SAF) and Call Control Discovery (CCD)
This volume is in the Foundation Learning Guide Series o
Introduction xxi
Chapter 1 Identifying Issues in a Multisite Deployment 1
Multisite Deployment Challenge Overview 1
Quality Challenges 2
Bandwidth Challenges 3
Availability Challenges 6
Dial Plan Challenges 7
Overlapping and Nonconsecutive Numbers 9
Fixed Versus Variable-Length Numbering Plans 10
Variable-Length Numbering, E.164 Addressing, and DID 10
Detection of End of Dialing in Variable-Length Numbering Plans 12
Optimized Call Routing and PSTN Backup 14
Various PSTN Requirements 15
Issues Caused by Different PSTN Dialing 16
Dial Plan Scalability Issues 17
NAT and Security Issues 17
Summary 19
References 19
Review Questions 19
Chapter 2 Identifying Multisite Deployment Solutions 23
Multisite Deployment Solution Overview 23
Quality of Service 24
QoS Advantages 25
Solutions to Bandwidth Limitations 26
Low-Bandwidth Codecs and RTP-Header Compression 27
Codec Configuration in CUCM 28
Disabled Annunciator 29
Local Versus Remote Conference Bridges 30
Transcoders 30
Mixed Conference Bridge 32
Multicast MOH from the Branch Router Flash 33
Preventing Too Many Calls by CAC 37
Availability 38
PSTN Backup 39
MGCP Fallback 39
Fallback for IP Phones 41
Using CFUR to Reach Remote Site Cisco IP Phones During WAN Failure 42
Using CFUR to Reach Users of Unregistered Software IP Phones on Their Cell Phones 43