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Cisco CallManager Fundamentals Authors: Alexander J., Pearce C., Smith A. Published year: 2004 Pages: 13-17/141 |
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IntroductionIn October 2004, Cisco Systems released Cisco CallManager 4.1(2). CallManager, the heart of the Cisco IP Communications solution, provides administrators a platform by which they can manage their enterprise's voice communications over the same network on which they manage their enterprise's data communications. It enables devices that speak dozens of different protocols to communicate together with seeming effortlessness and supports both enterprise and endpoint applications. We, the writers of this book, have been intimately involved with CallManager since its inception in 1997. And as the years have gone by, we've watched as both the capability and the complexity of the product have increased. Features that seemed obvious to us during CallManager development have sometimes proved less than obvious to those who have actually deployed CallManager. Furthermore, although the Cisco CallManager System Administration and Features and Services Guide is very good at telling you how to accomplish specific tasks , it isn't always as good at telling you why you need to accomplish a specific task, or in providing you with a framework for understanding how different CallManager concepts work together, or the underlying architecture of the product itself. Therefore, we have tried to distill our knowledge of CallManager into these many hundred pages in the hopes that you will find here what you might not have found elsewhere: a blueprint that reveals order amid the dozens of devices and the hundreds of features that CallManager supports. |
Target Release: Cisco CallManager 4.1This book targets CallManager release 4.1(2), released in October 2004. Most of the material this book presents should apply for future releases as well. Long printing lead times and subsequent 4.1( x ) releases might render some of this information out-of-date, but we have tried to protect against that wherever possible by foreseeing those changes. The first edition of this book was applicable for many releases beyond the target release, and we expect similar performance for this edition. The architectural information presented in this edition should be useful for years to come. Generally, when new features and protocols are added, the existing architecture gets expanded rather than replaced , so the applicability of the information presented here should continue to be useful even as CallManager experiences ongoing major (first digit, such as 5. x ) and minor (second digit, such as x .2) revisions. |
Comments for the AuthorsThe authors are interested in your comments and suggestions about this book. Please send feedback to the following address:
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Goals and MethodsThis book provides a view of the Cisco IP Communications solution that centers on CallManager. This information helps you put together in your mind the various pieces of CallManager so that you can better understand how to design and implement your own CallManager system. By learning how CallManager processes information, you can configure and troubleshoot your system more effectively. |
Who Should Read This Book?This book is directed to CallManager system administrators who are responsible for configuring CallManager, integrating it into their networks, and maintaining it. This book is also appropriate for network architects looking to integrate Cisco IP Communications with third-party applications and for people interested in the nuts and bolts of a VoIP solution. |
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Cisco CallManager Fundamentals Authors: Alexander J., Pearce C., Smith A. Published year: 2004 Pages: 13-17/141 |
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