User Manual

Table Of Contents
2 A microphone of the device that is off hook.
3 A microphone that was last in use (if two devices are off hook).
Related Links
Emergency Individual Calls (Private or MS-ISDN) on page 59
Making Private Calls
Procedure:
1 From the home screen, enter a number.
2 If Private is not the first type of call presented, press Ctype repeatedly to select it.
3 When you are in the following mode:
a TMO — For simplex calls, 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 duplex calls, press and release the SEND key. You hear
a ringing tone.
b DMO — Only simplex calls are 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.
NOTICE: If you are using the fist microphone or the telephone style handset, replace it
firmly on it's clip or holder when done.
Assistance Call
This feature allows you make a private call to ask for assistance during normal and non-critical
situations.
NOTICE: 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.
MenuServicesAssistance Call
Call Modification
Call Modification is a feature that allows 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).
When the call is modified, your radio displays Call Modified message.
When a recently modified call requires the PTT button to transmit, your radio displays Call
ModifiedUse PTT.
All modifications are made by your service provider and the radio only follows them. You have no
influence on ongoing call modifications.
When call priority is changed to emergency:
Chapter 3: Modes
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