Terms and Conditions

Call History
The Call History records up to 20 recent individual calls. It can be customised
to display Incoming Calls or Outgoing Calls or both sets of call types in a list.
The following icons are used to distinguish different types of TETRA
and PBX/PSTN call events:
Icon Description
Received TMO call
Sent TMO call
Missed call. Call was not answered or cleared.
TETRA Alarm Call
Received TETRA DMO Call
Sent TETRA DMO Call
Caution: The call history is deleted if you do not switch off your radio
correctly (using the Cancel/Home key).
To display the call history
Select Menu > Phone > Call History.
To display the call information
Select a call in the call history list then press Open.
To make a call from call history
See Individual calls on page70.
Group calls
Group (point-to-multipoint) calls are calls where you talk to other users within
a nominated group of radio users (a talkgroup). In a group call only one
person can talk at any one time (known as half-duplex mode).
During group calls the microphone at the top of your radio is active and all
received audio is routed to the loudspeaker.
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SC21 Series – 07/2017