Handset Tones; Ringing Tones - AT&T SYSTEM 25 User Manual

Handset Tones

System 25 signals you with tones that are heard through the
handset. The tones and their descriptions are listed below.
DIAL TONE lllllllllllllllllllllllllllllllllllllllll
You can dial.
CONFIRMATION TONE Illllllllllll
Your action has been accepted.
RINGBACK TONE lllllllllllllll lllllllllllllll llllllllllllll (repeating on/off tone)
The number you dialed is ringing.
BUSY TONE lllllllllllll llllllllllllll llllllllllll
The number you dialed is busy.
FAST BUSY TONE lllllllll lllllllll lllllllll (repeating on/off tone)
The number or access code you dialed was busy, misdialed, or
restricted.
CALL WAITING TONE lllllll (one short tone –heard during a call)
You have another call waiting.
PREFERRED ROUTE TONE llllll llllll lllllll lllllll (five short tones)
Your call is waiting in line for the preferred route. You may wait
by staying off-hook or you may hang up and try again later.

Ringing Tones

System 25 signals you with four distinctive rings. The rings and
their descriptions are listed below.
INSIDE CALL llllllllllllllllllllllllll
Your call is from a person inside your company.
OUTSIDE CALL llllllllllllllll lllllllllllll (two short rings)
Your call is either from the Attendant or someone outside your
company.
ABBREVIATED ALERT lllllllllllll (one short burst of ringing)
This indicates a second call on another line, a busy-to-idle
reminder, a manual signal, or that your voice terminal is in
program mode.
PRIORITY RING llllllllllll lllllllllll lllllllllllllllllllll (two short rings followed
by one long ring)
A call is being set up remotely for this phone via Third-Party
Call Set-Up, a data feature.
4
(a continuous steady tone)
lllllllllllll llllllllllll (three short tones)
Proceed to the next step.
(repeating
on/off tone)
(one long ring)