Chapter 11
Types of Radio Calls
Your radio can make Group, Private, Phone and Private Automatic Branch Exchange (PABX), and
Broadcast calls in Trunked Mode Operation (TMO), Direct Mode Operation (DMO), or both.
Call Type
Description
DMO
TMO
Group Calls
Group Calls are point-to-multipoint call operations.
Your radio must be configured as a member of the
talkgroup for you to communicate within the group.
D-PTT Preempt
Group Calls
D-PTT Preempt Group Calls are preemptive priority
calls that allow superiors to temporarily interrupt and
speak in an ongoing group call.
Private Calls
Private Calls are calls from one individual radio to
another.
Simplex
Calls
only
Simplex
and Du-
plex
Calls
Phone or PABX
Calls
Phone Calls allow you to call a landline telephone
number or a cellular mobile phone number. PABX
Calls allow you to call local (office) extension num-
bers.
Broadcast Calls
Broadcast Group Calls are high-priority group calls
from the console operator to all radios at one or more
sites. Your radio can monitor a Broadcast Call but
you cannot talk back.
11.1
Making Calls on the Radio
Procedure:
Make calls by using one of the following options:
Option
Actions
Group Calls
To initiate:
a
Press and hold the
PTT
button.
b
Wait for the Talk Permit Tone and speak into the microphone.
c
To listen, release the
PTT
button.
To end the call, do one the following actions before the talk permit is
granted (depending on the configuration set by your service provid-
er):
• Release the
PTT
button.
• Press the
END
key (default).
MN006360A01-AE
Chapter 11: Types of Radio Calls
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