[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-05

Communications Server 2010 normalization rules use .NET Framework regular expressions to translate dialed phone numbers to E.164 format. Each dial plan must be assigned one or more normalization rules.

For more information about normalization rules, see “Dial Plans and Normalization Rules” in the Planning documentation.

For information about how to write regular expressions, see .NET Framework Regular Expressions.

You can use either of the following methods to define or edit a normalization rule:

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