SRM9020 ~ Trunked Operating Instructions
TNM-U-E-0012 Issue 2a Page 10 © Comgroup Australia 2010
4.3.2 Receiving a Group Voice Call
A Group Voice Call differs from an individual call in that the operators do not need
to answer the ring tone. All radios that are members of the Group automatically
connect to the group call.
Whilst in a Group Call, all operators can PTT, in turn, and talk to each other. Only
the Originator can Clear the call to release the channel. Any operator can leave
the Group Call in the same manner as ending a normal voice call.
Note 1: In some Trunk Networks, operators who leave a Group Call are
returned to that Group Call after a short period of time. This “Late
Joiner” Network facility allows users that were previously engaged on
another call, or out of coverage, to join a Group Call that is in
progress.
Note 2: A Broadcast Call is a special type of Group Call in which only the
originator can speak. All other group members are inhibited from
transmitting. Broadcast calls are originated using dialstrings entered
on the keypad.
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