Enable Extension Display in Lync 2010 and 2013 Clients


In order to display a users Line URI with extension number in the Lync client, you will need to add the following custom Lync client policy entry. This is useful in cases where you want to normalise user extensions in to the format tel:+<pilot number>;ext=<extension> e.g. tel:+6495231000;ext=1001, tel:+6495231000;ext=1002 etc


After adding it a client policy, you should see the following from a Get-CsClientPolicy in PowerShell:

Which in turn should result in this in the Lync client:

For more information check out Ken Lasko’s blog about it here.