3.2.15 Making a Private Call
Procedure Steps
1
From the home screen, enter the number.
2
If Private is not the first type of call presented, press Ctype repeatedly to select it.
When you are in the following mode:
3
a. TMO — For a simplex call, press and release the PTT button. You hear a ringing tone. Otherwise, press
and hold the PTT button. Wait for the talk permit tone before talking, and release the PTT button to listen.
For a duplex call, press and release SEND key. You hear a ringing tone.
b. DMO — Only simplex call is available. Press and hold the PTT button. Wait for the talk permit tone
before talking, and release the PTT button to listen.
4
To end the call, press the END key.
If you are using the fist microphone or the telephone style handset, replace it firmly on it's clip or holder
when done.
3.2.16 Assistance Call
This feature allows you make a private call to ask for assistance during normal and non-critical situations.
Your service provider can configure the number, priority, and the type of the call (simplex or duplex).
You can start an Assistance Call in one of the following way:
• Dial a predefined number and press SEND key.
• Menu → Services → Assistance Call
3.2.17 Call Modification
Call Modification is a feature that allows you and your service provider to modify the call in order to optimize it
and adjust to a current situation.
Modification can cover:
• Call priority — modified during call setup.
• Call type — modified during call setup.
• Call encryption — modified during an ongoing call (but not in the transmission phase).
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3.2.15 Making a Private Call
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