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Silent mode: When initiating an emergency call, the terminal gives no visual or audio indications.
8.14.1 Initiating an Emergency Call
TMO
You can initiate an emergency call to an individual contact, a group contact, the default group, or a PABX/PSTN
user, which can be configured. Press the Emergency key to initiate an emergency call.
DMO
Press the Emergency key to initiate an emergency call to the default group.
8.14.2 Answering an Emergency Call
For operations on how to receive an emergency call from an individual contact, a group contact, or a PABX/PSTN
user, see
6.1.2
Receiving a Group Call, 6.2.2 Receiving an Individual Call, or 6.4 PABX/PSTN Call (TMO Only).
8.14.3 Ending an Emergency Call
TMO
Regular mode
The calling party presses .
With the configuration, the calling party long presses the
Cancel/Back
key.
Silent mode
The calling party presses the OK key + P3 key.
DMO
The calling party presses .
With the configuration, the calling party long presses the Cancel/Back key.
8.14.4 Emergency Call Type in DMO
In DMO, you can initiate an emergency call directly (default type) or switch to TMO to initiate an emergency call.
If you turn on the feature of switching from DMO to TMO for emergency call, the terminal will automatically
switch to TMO when triggering an emergency call in DMO. Then, the terminal will initiate an emergency call after
a successful registration. After the call ends, the terminal remains in TMO.
In this case, the called party is the pre-configured emergency contact in TMO by default. The called party can also
be configured to a specified group.
8.14.5 Emergency Cycle
In an emergency call, the called party can only apply for the talk right after the calling party releases it by pressing
the PTT key. The Emergency Cycle feature allows the calling party and the called party to automatically gain the
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