Consider the following scenario:
- User A is a delegate of user B.
- The Enterprise Voice feature is enabled for both user A and user B.
- User A signs in to a Lync 2013 client on a computer.
- User A signs in to Lync Phone Edition on a telephone. The telephone is connected to the computer by using a USB cable and is paired with the Lync 2013 client.
- User A tries to make a call on behalf of user B.