134
• Talk Prohibit
• System busy
• Time-out timer expire
• Called MTP850 not
available or busy.
Until you release the
PTT
• Call disconnected or
failed due to network
• Wrong number dialled.
Once
DMO Entering
Once
DMO Exiting
Local site trunking —
Entering/Exiting
Once
Phone ring back (sending) Every three seconds,
until the called user
answers or call is
rejected.
Phone busy Every 0.5 seconds
Status message sent to
the dispatcher or failed.
Tw ic e
Incoming Calls
Status message
acknowledged by the
dispatcher.
Four times
Your MTP850 received a
Group Call without
gateway. (setup only)
Once
High Priority Group Call
received
Once
Emergency Alarm sent or
received
Tw ic e
Emergency Alarm failed Four times
Emergency Call received Once
Phone ring (reception)
Full-duplex Private Call
Until you answer or
the call is rejected.
Description Type Repeated
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