Samsung DS5021D - Manual (Page 44)

Page 30 © SAMSUNG Electronics Co., Ltd.
THINGS YOU SHOULD KNOW
6. Types of Signal Tone
The types of signal tone used in this telephone system are described in the following table.
Signal
Tone Name
Usages Signal Interval
Dial tone
A steady tone that indicates
you can begin dialling.
Ring back
tone
Indicates the station you dialled
is ringing.
Busy tone
Indicates the station you dialled
is busy.
Transfer
tone
Indicates your call is being held
and you can dial another
station.
Confirmation
tone
Very short beeps that indicate
you have correctly set or
cancelled a system feature.
* The Signal Interval may vary for each country.