To pick up call from telephone within area rings Lift handset. It is not necessary to be in a preprogrammed pickup group to use this feature. This feature is for calling Campus University telephone numbers only. At high-pitched confirmation tone, replace handset. When both telephones become idle, telephone from which call back was set will ring.
Connection is established when called party answers.
If you try placing a call back to a busy extension and hear a fast busy signal, a call back may have already been placed against the busy station, or you may already have placed a call back against another extension. The system allows only one call back to be activated by or placed against an extension at any one time. Call back is automatically canceled if the telephone that set the call back doesn't answer after approximately three rings. To Cancel Lift handset. Call is placed on hold.