Preface

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Revised: March 30, 2012, OL-27011-01

 

This document describes some of the concepts related to video communications, and it presents considerations and guidelines for designing a video-enabled network.

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

•For Cisco Collaboration and Unified Communications System design documents:

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

•For other Cisco design guides:

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

•For Cisco TelePresence and Video product documentation:

http://www.cisco.com

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/ucsrnd

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

The following table lists the revision history for this document.

Revision Date	Document Part Number	Comments
March 30, 2012	OL-27011-01	Initial version of this document.

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

Subscribe to the What's New in Cisco Product Documentation as an RSS feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service. Cisco currently supports RSS Version 2.0.

Conventions

This document uses the following conventions:

Convention	Indication
bold font	Commands and keywords and user-entered text appear in bold font.
italic font	Document titles, new or emphasized terms, and arguments for which you supply values are in italic font.
[ ]	Elements in square brackets are optional.
{x | y | z }	Required alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ]	Optional alternative keywords are grouped in brackets and separated by vertical bars.
string	A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks.
courier font	Terminal sessions and information the system displays appear in courier font.
< >	Nonprinting characters such as passwords are in angle brackets.
[ ]	Default responses to system prompts are in square brackets.
!, #	An exclamation point (!) or a pound sign (#) at the beginning of a line of code indicates a comment line.

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Note Means reader take note.

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Tip Means the following information will help you solve a problem.

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Caution Means reader be careful. In this situation, you might perform an action that could result in equipment damage or loss of data.

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Timesaver Means the described action saves time. You can save time by performing the action described in the paragraph.

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Warning Means reader be warned. In this situation, you might perform an action that could result in bodily injury.