Table Of Contents

Preface

New or Changed Information for This Release

Revision History

Obtaining Documentation, Obtaining Support, and Security Guidelines

Preface

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Last revised on: October 30, 2008

 

This document provides design considerations and guidelines for deploying a Cisco Unified Communications System based on Cisco Unified CallManager 4.x releases.

This document focuses on the following components of the Cisco Unified Communications System:

•Cisco Unified CallManager

•Cisco Unified Video Advantage

•Cisco Unified MeetingPlace and Cisco Unified MeetingPlace Express

This document should be used in conjunction with other documentation available at the following locations:

•For more information about the Cisco Unified Communications System:

http://www.cisco.com/go/unified-techinfo

http://www.cisco.com

•For more information about Cisco Unified CallManager:

http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_series_home.html

http://www.cisco.com

•For other Solution Reference Network Design (SRND) documents:

http://www.cisco.com/go/designzone

New or Changed Information for This Release

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Note Unless stated otherwise, the information in this document applies to Cisco Unified CallManager 4.0 and subsequent 4.x releases. Any differences between the various releases of Cisco Unified CallManager are specifically noted in the text.

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The following chapters are either new in the current release of this document, or they contain information that has changed significantly from previous releases of this document.

•Network Infrastructure, page 3-1

•Gateways, page 4-1

Within each chapter, new and revised information is listed in a section titled What's New in This Chapter.

Revision History

This document may be updated at any time without notice. You can obtain the latest version of this document online at

http://www.cisco.com/go/designzone

Visit this Cisco.com website periodically and check for documentation updates by comparing the revision date on the front title page of your copy with the revision date of the online document.

The following table lists the revision history for this document.

 

Revision Date	Comments
October 30, 2008	Updated content as indicated in New or Changed Information for This Release.
February 13, 2008	This document was updated to correct some errors in various chapters.
July, 2006	This document was updated and modified to apply to Cisco Unified CallManager releases 4.0 through 4.2.
February, 2006	This document was updated to include a new chapter on voice security as well as a few other minor changes.
August, 2005	This document was updated and modified to apply to both Cisco CallManager releases 4.0 and 4.1.
April, 2005	Initial version of this document for Cisco CallManager Release 4.1.

Obtaining Documentation, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html