8
English
• Talk prohibit
• System busy
• Time-out timer expire
• Called MTP850 Ex/
MTP810 Ex not available
or busy
Until you release the
PTT.
• Call disconnected or
failed due to network
• Wrong number dialed
Once
DMO (Direct Mode)
Entering
Once
DMO Exiting Once
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.
Twice
Incoming Calls
Status message
acknowledged by the
dispatcher.
Four times
Your MTP850 Ex/MTP810
Ex received a Group Call
without gateway (setup
only)
Once
High-priority Group Call
received
Once
Emergency Alarm sent or
received
Twice
Emergency Alarm failed Four times
Emergency Call received Once
Phone ring, full-duplex
Private Call (reception)
According to the Ring Style
sub-menu setting.
Until you answer or
the call is rejected.
Description Ty pe Repeated
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