TELE AID switch-on/switch-off characteristics, function - GF82.95-P-2000SZ

MODEL 215.3, 220.0 /1 with CODE (383a) Tele-Aid fixed installation telephone with CODE (494a) USA version 

Function requirements 

Each telematics service must be authorized separately. In the event of a defect or without proper authorization, an error message is displayed in the multifunction display (A1p13) of the instrument cluster (A1) and in the display of the COMAND operating, display and control unit (A40/3). The system is operational as soon as circuit 30 is active.

Self-test 

With active circuit 15R, the telecommunications control unit (N112) executes a self-test (approx. 3.5 s). If the test is successful, the system is operational.

Ending an emergency call 

A call is normally ended by the emergency call headquarters.

The making of an emergency call is canceled after the telecommunications control unit (N112) has attempted to dial 5 times without success.