AT&T MERLIN LEGEND Release 2.0 Single-Line Telephone User Manual page 26

Quick Start
To Identify Tones
When making a call or using a feature, you may hear a tone.
Each tone has a different meaning.
Tone
Dial tone (steady tone)
Busy (slow repeating tone)
Stutter dial tone
(several breaks in
dial tone)
Fast busy (fast repeating
tone)
Alternating high
tones
Meaning
You can make a call.
The phone you are calling
is busy.
After a switchhook flash,
indicates that you can use
a feature or dial a number
for a transfer or conference
call. You also hear this
tone when you lift the
handset if you have a voice
mail message or a fax, or if
the system operator has a
message for you.
No lines are available.
and low You dialed a number
incorrectly or misused a
feature.
Identifying Call Types 2-3