Cisco Unified Communications SRND Based on Cisco Unified Communications Manager 7.x
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Table Of Contents


New or Changed Information for This Release

Revision History

Obtaining Documentation, Obtaining Support, and Security Guidelines

Cisco Product Security Overview


Last revised on: January 12, 2012


This document provides design considerations and guidelines for deploying a Cisco Unified Communications System based on Cisco Unified Communications Manager 7.x (7.0 and all subsequent 7.releases).

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

Cisco Unified Communications Manager (Unified CM), formerly Cisco Unified CallManager

Cisco Unified Communications Manager Business Edition (Unified CMBE)

Cisco Unity, Unity Express, and Unity Connection

Cisco Unified MeetingPlace and Unified MeetingPlace Express

Cisco Unified Video Advantage

Cisco Unified Presence

Cisco Unified Mobility

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

For other Solution Reference Network Design (SRND) documents:

For more information about the Cisco Unified Communications System:

For more information about Cisco Unified Communications Manager:

For other Cisco design guides:

New or Changed Information for This Release

Note Unless stated otherwise, the information in this document applies to Cisco Unified Communications Manager 7.x (7.0 and all subsequent 7.x releases). Any differences between the various releases of Cisco Unified Communications Manager are specifically noted in the text.

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.

Unified Communications Deployment Models

Network Infrastructure


Cisco Unified CM Trunks

Media Resources

Music on Hold

Call Processing

Call Admission Control

Dial Plan

Third-Party Voicemail Design

Cisco Voice Messaging

Cisco Unified MeetingPlace

Cisco Unified MeetingPlace Express

IP Video Telephony

LDAP Directory Integration

IP Telephony Migration Options

Voice Security

Unified Communications Endpoints

Cisco Unified Presence

Cisco Collaboration Clients and Applications

Cisco Unified CM Applications

Cisco Mobility Applications

Network Management

Cisco Unified Communications Manager Business Edition

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:

Visit this 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

January 12, 2012

Minor corrections to a few illustrations in the chapter on Cisco Unified Presence.

November 15, 2010

Updated capacity and sizing information for Cisco Unified MeetingPlace.

July 21, 2010

Minor corrections to some illustrations.

June 4, 2010

Various minor updates and error corrections.

November 6, 2009

Added a new chapter on Cisco Collaboration Clients and Applications, and information on Cisco Unified IP Phones 8900 Series and 9900 Series.

September 18, 2009

Updated content for Cisco Unified Communications System Release 7.1(3).

May 22, 2009

Updated content for Cisco Unified Communications System Release 7.1(2).

December 15, 2008

Updated content as indicated in New or Changed Information for This Release.

August 5, 2008

Initial version of this document for Cisco Unified Communications Manager Release 7.0.

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:

Cisco Product Security Overview

This product contains cryptographic features and is subject to United States and local country laws governing import, export, transfer and use. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute, or use encryption. Importers, exporters, distributors and users are responsible for compliance with U.S. and local country laws. By using this product you agree to comply with applicable laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately.

Further information regarding U.S. export regulations may be found at: