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Defining normalization rules in Lync Server 2013

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Topic Last Modified: 2014-04-22

Lync Server 2013 normalization rules use .NET Framework regular expressions to translate dialed phone numbers to E.164 format; in other words, normalization rules take the phone number dialed by a user and convert that number to the format used internally by Lync Server. Each dial plan must be assigned one or more normalization rules.

For details about normalization rules, see Dial plans and normalization rules in Lync Server 2013 in the Planning documentation.

For details about how to write regular expressions, see ".NET Framework Regular Expressions" at https://go.microsoft.com/fwlink/p/?linkId=140927.

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

  • Use the Build a Normalization Rule tool to specify values for the starting digits, length, digits to remove and digits to add, and then let Lync Server Control Panel generate the corresponding matching pattern and translation rule for you.

  • Write regular expressions manually to define the matching pattern and translation rule.