82 / Transferring callsModular ICS 4.0 System Coordinator Guide P0881591 Issue 01Using CallbackWhen you direct a call you have answered to anothertelephone, the system monitors the call to make sure it isanswered. If no one answers the call within a set length oftime, the system directs it back to you.Callback generates a variety of displays. Most occur after a setdelay and are listed in the index. Some occur immediately ifthe telephone to which you are directing a call is out of serviceor otherwise unavailable. These are listed with the descriptionsof the specific features such as Transfer or Camp-on.
