Telephone (GSM), function - GF82.70-P-0003CC

MODELS 129, 168, 202, 208, 210, 215, 220 with CODE (317) GSM portable cellular telephone (D2B) 

Portable cellular telephone, function 

A call can be set up in different ways depending on the model and equipment specification (multifunction steering wheel, voice control system), provided that the PIN has been entered, the system logged in and ready (switched on). If the telephone is not needed, it goes into standby mode. The telephone's On/Off characteristics  are controlled by the vehicle's Head Unit (COMAND, radio).

The portable cellular telephone's is integrated into the vehicle's optical data bus (D2B) as is the Head Unit.

The physical connection is made by way of an adapter, D2B interface portable cellular telephone (A59/1)  .

Incoming and outgoing calls are transmitted via the telephone antenna  . There are differences in the telephone systems resulting from vehicle-specific factors (convertible, sedan, T-model etc.). This in turn requires the use of different vehicle antennas, speakers etc., depending upon the type of (vehicle) antenna equipment specification an antenna splitter can be used (A28/1)  .

On all models it is possible to conduct a call via the vehicle's handsfree system which greatly enhances driving safety. Here the call is conducted via the handsfree system microphone (B25)  and the handsfree system speaker  , the portable cellular telephone remains in the receptacle.

In this case the various displays (portable cellular telephone, instrument cluster, COMAND, radio) show a sequence of displays, which inform the user of the operating condition (e.g. menu selection) of the telephone.

The volume of the speaker on the portable cellular telephone and therefore the volume of the handsfree system can be individually set by the user to suit on the portable cellular telephone, or if fitted by using the multifunction steering wheel.

In order to ensure that the user's voice input via the handsfree system's microphone is not distorted in any way, the volume of an audio source that is active during the call (radio, COMAND) is automatically lowered for the duration of the call.

Further information is available in each of the respective owner's manuals.