OPERATING FAULTS
Description
No sounds or ringtone can be heard.
Impossible to make a call.
GB.74
(3/3)
The mobile phone is not connected to the
system.
The volume is set to minimum or mute.
The mobile phone is not connected to the
system.
The phone keypad has been locked.
Phone
Causes
Ensure that the mobile phone is con-
nected to the system.
Increase the ringtone volume or deacti-
vate the mute function.
Ensure that the mobile phone is con-
nected to the system.
Unlock the phone keypad.
Solutions