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Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization
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Ramesh Kaza, Salman Asadullah
Cisco Press, Hardcover, Published February 2005, 648 pages, ISBN 1587051575
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Chapter 4: Planning Phase

     

Copyright© Cisco Systems, Inc. Published by Cisco Press. Written permission from the publisher is required for any use of this material.

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The comprehensive guide to planning and implementing your Cisco IP Telephony system, as shown by the experts.
  • Understand how to work through the different implementation phases of a Cisco IP telephony solution
  • Plan your implementation with tools and guides from the most seasoned experts in the industry
  • Avoid pitfalls in the process with best-practice suggestions and other tips derived from years of actual implementation experience

Cisco IP Telephony: Planning, Design, Implementation, and Operation of the IP Telephony Network, is a guide for network engineers as they go through the deployment of a Cisco IP telephony (IPT) solution. Although an IPT system brings several benefits to an organization, understanding all the components of that system is necessary for a successful implementation. Engineers tasked with implementation must also keep in mind that the architecture they are installing must be scalable in the future. The authors of this book, Ramesh Kaza and Salman Asadullah, have taken an approach to address the questions that come to these engineers while planning, designing, implementing, and operating the Cisco IPT solutions. The deployment process has been divided into four phases: Planning, Design, Implementation, and Operation (PDIO). Each phase provides specific details about the tasks involved and best practices for successful implementation of the IPT solution.

This book also contains pre-designed questionnaires and assistance tools that will help engineers determine the requirements of each phase of the PDIO cycle. This book is written by experts from Cisco with extensive experience in implementing these solutions. Readers are provided step-by-step explanations, specific details, and best practices acquired by the authors while working with the top Cisco IPT customers.

Table of Contents

Introduction.

Section 1. General Networking Theory.

Section 2. General Networking Theory Quick Reference Sheets.

Section 1. Bridging and LAN Switching.

Section 2. Bridging and LAN Switching Quick Reference Sheets.

Section 1. IP.

Section 3. IP Quick Reference Sheets.

Section 1. IP Routing.

Section 4. IP Routing Quick Reference Sheets.

Section 1. Quality of Service.

Section 5. Quality of Service (QoS) Quick Reference Sheets.

Section 1. WAN.

Section 6. WAN Quick Reference Sheets.

Section 1. IP Multicast.

Section 7. IP Multicasting Quick Reference Sheets.

Section 1. Security.

Section 8. Security Quick Reference Sheets.

Section 1. Wireless.

Section 9. Wireless Quick Reference Sheets.

About the Authors

Ramesh Kaza, CCIE No. 6207, is a network design consultant at the Cisco Systems Advanced Engineering Services Group. He holds a bachelor's degree in electronics and communications engineering.

Salman Asadullah, CCIE No. 2240, is a network design consultant at Cisco Systems. He holds bachelor's and master's degrees in electrical engineering.


Customer Reviews

Customer Reviews: 2     Average Customer Rating:

Sep 19, 2007     Michael J. Morris from North Carolina
A good process book with enough technology
Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization is an average book with useful information. Please be aware of the subtitle Planning, Design, Implementation, Operation, and Optimization. This book is less of a technology book and more of a process and best practices book. It uses examples and best practices on how to deploy technologies and focuses less on technology. It would be a good book for technically strong IPT engineers who want to expand their knowledge on IPT design. I did like Chapter 2 - Planning, Design, Implementation, Operation, and Optimization Overview. This chapter could be used for any large scale IT deployment. The process described is relevant to different technologies, not just IPT. Also, Chapter 6 Design of Call-Processing Infrastructure and Applications is a long, but detailed read on dial plans, which are the core of any telephony system. The authors did a good job of going through all the aspects of a dial plan including, but not limited to, gateways, numbering plans, route patterns and calling search space.

Oct 4, 2005     J Kittle from Piqua, OH
The separation between the success and failure!
Many of us have decided to put away our legacy PBX systems and install a VoIP based communication platform, and with all of the benefits clearly visible, we often jump into action without fully realizing the scope of what we are about to undertake. In a VoIP deployment, so many factors must be considered in the design, that often things are left out. In the deployments where QoS, switching infrastructure, and overall network design are ignored, you see problems with reliability and an overall bad taste left in the mouth of the end user. With proper planning, the problems experienced by these design flaws (or often lack of design) can be overcome, and the true glory of the VoIP system will be seen. Cisco has designed an awesome assortment of VoIP enabling technologies, that when used together can, and will, change the way we do business for the better, but only if you have a solid foundation of planning. The authors of this title, Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization , have taken the steps to building a solid VoIP system and set them up in an organized structure, that if followed, will provide a solid and stable installation and deployment. This isn't just another guide to walk you through the CallManager platform, but addresses design constraints of the entire VoIP system including infrastructure analysis, call processing, voice mail, QoS considerations, call flow planning, information on deployment of a pilot system, and acceptance testing processes. Once the platform is deployed, this guide will give you the insight needed to properly tune and maintain you system for many years to come. The many example forms in the back of the book will even walk you through the carrier circuit ordering process, voice mail system design, and even implementation readiness evaluation questionnaires. I would highly recommend this title to anybody who has decided to install a VoIP system, even if you think you already have your bases covered. You can never be too-organized or have too much planning when undertaking a project of this scope. If you follow the guidelines in this book, you will have a much greater understanding of what's necessary for a successful deployment, and you won't be one of those customers wishing they would have planned things better (as they fix their installation). If asked to rate the book on a scale of 1 to 5, with 5 being the best, I would rate this a 5, and essential to the library of any VoIP engineer.



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