Handset Tones - AT&T System 25 User Manual

Using the Selector Console
If you are placing a call to extension 273:
Press the 200 Group Select button on the bottom row.
Press the 73 DXS button.
If you are placing a call to extension 4519:
Press the 4500 Group Select button.
Press the 19 DXS button.

Handset Tones

System 25 signals you with tones that are heard through the
handset. The tones and their descriptions are listed below.
DIAL TONE
llllllllllllllllllllllllllllllllllllllllllllllllllll
You can dial.
CONFIRMATION TONE
Your action has been accepted.
RINGBACK TONE
The number you dialed is ringing.
SPECIAL RINGBACK TONE
one short, dull tone)
The person you dialed is busy, and
Waiting.
BUSY TONE
lllll lllll lllll
The number you dialed is busy.
FAST BUSY TONE
The number you dialed was busy, misdialed, or restricted.
CALL WAITING TONE (short tone(s) heard during a call)
(the waiting call is an inside call)
lll
(the waiting call is an outside call)
lll lll
You have a call waiting to be answered.
QUEUEING TONE
Your request for a callback has been confirmed.
DEQUEUEING TONE
The extension or outside line that you requested for callback is
now available.
4
(a continuous steady tone)
(three short tones)
ll ll ll
(repeating on/off tone)
llllllllllllll lllllllllll
lllllllllllllllllllll ll
has been notified of Call
on/off tone)
(repeating
(fast repeating on/off tone)
lll lll lll lll
(five short tones)
ll ll ll ll ll
(three short tones)
ll ll ll
(one long tone and