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5.4 What is This Tone?
Appendix 209
When you make calls
Tone 2
At least one feature has been
changed from the default
setting at your extension
(except for the Doorphone Call
Forwarding to CO Line
feature).
Tone 3
• The alarm is being
answered.
• Enter an account code to
turn off the tone.
Tone 4
Message Waiting is on.
Tone 5
A Voice Message was
received.
Tone 6
The rest of recording time
becomes less than 5 minutes.
Busy Tone
CCBS Tone
• The called party on an
ISDN line is busy
Reorder Tone
• The outside line you tried
to seize is not assigned or
denied.
• The wrong account code
was entered.
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s