Lync – UK +44 (0) Company_Phone_Number_Normalization_Rules.txt
A common problem in the UK is that companies Active Directory telephone numbers will be populated in the format: +44 (0) 123 456 7891 or +44(0)1234567891 If you were to dial these numbers in the UK you would omit the +44 and just dial the 0. If you are abroad you would dial +44 and omit the 0 (E164 format). As part of the default Lync normalization rules it will remove all spaces and brackets (). When using Lync click to call from a users contact card this normalizes the number to +4401234567891 which is invalid. Therefore you need to either correct all numbers in AD to E164 format or add a normalization rule to the Company_Phone_Number_Normalization_Rules.txt file on your Lync File Share. This is already well documented here: ...