User's Manual

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TYPE OF TONE SOUND DESCRIPTION
Dial tone Continuous tone Terminal ready for use
Progress tone Continuous short beep, with
3 second interval
Number has been dialled but
call has yet to connect.
Unavailable tone Beeping tone (engaged) TR800 is not registered, or no
signal. Calls cannot be made
SIM PIN required Alternating low and lower
tones (1 sec intervals)
A SIM PIN is required to be
entered
SIM PUK required Alternating low and lower
tones (2 sec intervals)
A PUK code is required to be
entered
Terminal o-hook Fast ascending tone,
repeating.
Terminal has been left
ohook for > 15 seconds and
is not in a call.