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Number
display
Show the number you’re dialing
Calling
Show current call state
Dial
Including extension, sound shift,
call shift,
conference call and so on.
Mute
Mute the microphone while keeping the call
Volume -
Single click to decrease the volume gradually;
Single click to increase the volume gradually;
Hang up
Single click and hang up
4.15.8
If there is an incoming call, it will show the caller ID and its number as 4-48
4-48
Return
Keep call state and return to main interface
Caller ID
Show caller ID
Summary of Contents for Truck Nav
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