1-6 Product Overview
6866588D21-D Chapter 1 - MTP850 Ex/MTP810 Ex Product Information Manual March 2009
3.2 Audio Signal Tones
= High Tone; = Low Tone
Description Type Repeated
Idle
Back to Home display
Back to rotary volume use when rotary
scroll timer expires
Back to coverage
Back to full service
Once
Clear-to-send Once
Bad key press Once
Good key press
MTP850 Ex/MTP810 Ex self-test fails at
power up
From out-of-service to in-service
Once
In Call
Call clear warning Once
Call waiting tone while Phone or Private
Call are pending.
Every 6 seconds, until a call is
terminated.
Data connected or
Data disconnected
Once
Talk permit sounds upon pressing the
PTT.
Once (Normal Tone)
Talk permit without gateway sounds
upon pressing PTT. The tone indicates
the gateway is no longer available.
Once
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 net-
work
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
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