![](/images/new-backgrounds/1237012/237012417x1.webp)
5.4What is This Tone?
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.
1 s
1 s
1s
1s
1s
When you make calls
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.
1s
1s
1s
Appendix | 209 |