I am in the process of integrating OCS with our Cisco phone system using CUCIMOC. After some fiddling with the phone normalization rules, it appears that I can get PSTN numbers to be dialed though the CUCIMOC interface (yay!). However, during this process I came to realize that the ipPhone attribute in Active Directory does not appear to be exposed to Communicator (and CUCIMOC).

What is strange though, is that I can see from the OCS address book service "Invalid_AD_Phone_Numbers.txt" that the attribute is processed by the address book service.

My question is, how do I expose the ipPhone field in Office Communicator? Currently, Communicator maps like this -

Work   = telephoneNumber
Mobile = mobile
Home   = homePhone

Attributes such as otherHomePhone, ipPhone, otherMobile, otherTelephone, otherIpPhone are ignored.