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) hany_george@idc.it

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

Company_Phone_Number_Normalization_Rules.txt

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

\\FileStoreServer\LyncShare\1-WebServices-1\ABFiles

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

norm

After doing this, you will see as below

image

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