Things You Should Know DS/ITP-5012L Phone User Guide
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2. To decrease the ring volume, press the
[TVolum e] button while the phone is
ringing.
8. Signal Tones
The signal tones used by the telephone system are described in the follow-
ing table. You will become familiar with these tones as you begin to use your
phone.
Signal
Tone
Meaning Signal Interval*
Dial tone
(Steady tone)
You can begin dialling
Ring-back
tone
The station you dialled is ring-
ing.
Busy tone The station you dialled is busy.
Transfer tone Your call is being held and
you can dial another station.
Confirmation
tone
(Very short beeps)
You have correctly set or
cancelled a system feature.
* The Signal Interval varies from country to country. These values are relevant for
the UK.