AT&T 555-620-126 Telephone User Manual


 
Quick Start
Tone
Meaning
Confirmation tone (three
You used a feature properly.
breaks in dial tone, then
(This tone may not be given
silence)
with all features.)
Callback tone (five short
beeps)
The outside line or the
extension is busy and your
phone is programmed for
Callback. See “Callback” in
Chapter 5.
Call Waiting tone (one or
You have an inside call (one
two beeps
on another
while you are
beep) or an outside call (two
call)
beeps) waiting.
2-4
Identifying Call Types