User manual
During a call
15
3
3.11
Adjust audio volume
During a call, to adjust the volume level of the loudspeaker or receiver:
3.12
Signal malicious calls
You are on a call
with the
destination
number
Adjust audio volume
Paul
in conversation
OR
This key lets you signal a malicious call. If this call has
an internal source, it is signalled to the system by a
special message.
Malicious