Consider the following scenario:
- You deploy the mobility feature in a Microsoft Lync Server 2013 environment.
- You configure multiple users in the environment, such as user A and user B. The telephone numbers of user A, such as mobile and work numbers, are stored in Active Directory Domain Services (AD DS).
- User B signs in to a Lync mobile client in the environment.
- User B searches user A, and user B opens the contact card of user A.
Note User B does not select Friends and Family as the privacy relationship for user A.
This issue occurs because Unified Communications Web API (UCWA) does not send the telephone numbers to a Lync mobile client based on the privacy relationship configuration. Therefore, UCWA only sends the work number.