Alexander J., Pearce C., Smith A. Cisco CallManager Fundamentals / Book Features and Text Conventions

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Cisco CallManager Fundamentals
Authors: Alexander J., Pearce C., Smith A.
Published year: 2004
Pages: 18-19/141

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Book Features and Text Conventions

Each chapter provides basic information about the subject matter, followed by more detailed information. Chapter 1 includes a block diagram of CallManager's internal components. This diagram is subsequently presented in the introduction of each chapter of the book. The CallManager components that are covered in a particular chapter are highlighted in this diagram. Every chapter ends with a summary section that highlights the critical information that the chapter presents .

If you are new to CallManager, you should be able to get a feel for the information just by reading the first few sections of each chapter. Then you can return to read the more detailed sections as your knowledge of the product increases and you find yourself looking for more answers. For the "old-timers" out there who have been working with CallManager since 1997, the deeper you go into the sections, the more rewarded with information you will be.

This book uses the following formatting conventions to convey additional meaning:

Key terms are italicized the first time they are used and defined.
Notes emphasize information of a noteworthy or unusual nature.
Sidebars provide additional information about important or interesting topics.
Tips are handy information bits about the subject.
Cautions provide critical information.

How This Book Is Organized

This book is meant to complement the information already available on Cisco.com and in the CallManager documentation. This book does not provide detailed configuration information or step-by-step instructions. The chapters in this book address the following topics:

Chapter 1, "Cisco CallManager Architecture," provides an overview of VoIP telephony and describes the evolution of CallManager. It describes the hardware and software components that make up Cisco IP Communications and outlines several methods for deploying a Cisco IP Communications solution.
Chapter 2, "Call Routing," discusses the fundamental building blocks of the CallManager call routing infrastructure and describes how you can apply these building blocks to solve complex routing problems that most enterprises face.
Chapter 3, "Station Devices," describes the station devices supported by CallManager. It categorizes them by protocol and then subdivides them by device capabilities.
Chapter 4, "Trunk Devices," details the gateway protocols supported by CallManager, including H.323, Media Gateway Control Protocol (MGCP), QSIG, and Session Initiation Protocol (SIP). It describes how the protocols signal to gateways, to other CallManager clusters, and to gatekeepers where applicable .
Chapter 5, "Media Processing," discusses allocation and control of media processing resources, such as conference bridges, transcoders, annunciator, and music on hold (MOH) servers. It explains media connection processing and call preservation.
Chapter 6, "Manageability and Monitoring," describes tools that you can use to make CallManager easier to manage. It explains in some detail the plug-ins and applications that work with CallManager to assist with system monitoring.
Chapter 7, "Call Detail Records," describes the facilities provided for controlling the generation and storage of call detail records (CDR) and call management records (CMR), and it provides information on how to access, interpret, and use the stored data.
Appendix A, "Feature List," provides a list of CallManager and Cisco IP Phone features through release 4.1(2).
Appendix B, "Cisco Integrated Solutions," details Cisco-developed solutions that can be used in conjunction with CallManager or other components in the Cisco IP Communications system.
Appendix C, "Protocol Details," provides information about call signaling for the following protocols: H.323, SCCP, QSIG, and SIP. It also describes JTAPI packages and provides details on how you can write your own Cisco IP Phone services.