Most companies don’t keep a unified E.164 Structure for users numbers in Active Directory, This offcourse causes lync not to display the numbers for users like below

Hany Nasr George (Available)

Now there is a way to fix that, all you need to do is create a file called


and place it in your file store defined in your topology under AB folder in the 1-WebServices-1 Folder , so it should look like this


Now after you create the file, you should fill it with the normalization rules as below


After doing this, you will see as below