Call features
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Attention:
To use the SOS call function your System Administrator
must have configured your M155 with an SOS number
and
no
SOS message.
To make an SOS call, perform the following step:
1. Simultaneously press both keys for two
seconds or more.
The call is set up to the destination.
Incoming call
When you receive an incoming call on your M155 the ringer sounds and
the call alert symbol flashes.
If no auto answer has been configured (by your System Administrator)
then you can either answer or reject the incoming call.
When auto answer has been configured the call will be answered
automatically.
Answering a call
To answer an incoming call, perform the following step:
1. Press the Upper key for a short time.
OR
1. Press the Lower key for a short time.
Rejecting a call
To reject an incoming call, perform the following step:
1. Simultaneously press both keys for two
seconds or more.