58 2410 Digital Telephone User’s Guide
Feedback tones are those which you hear through the handset, headset, or the speaker.
Feedback Tones
Tones Meaning
busy A low-pitched tone repeated 60 times a
minute. This tone indicates that the number
you dialed is in use.
call waiting
ringback A ringback tone with lower-pitched signal at
the end. This tone indicates that the extension
you called is busy. The called party hears a
call waiting tone. If you hear the call waiting
ringback tone, you may want to activate
Automatic Callback.
confirmation Three short bursts of tone. This tone indicates
that the system accepted a feature activation
or cancellation.
coverage One short burst of tone. This tone indicates
that the system sent your call to another
extension to be answered by a covering user.
dial A continuous tone. This tone indicates that
you can start to dial.
intercept/
time-out An alternating high and low tone. This tone
indicates a dialing error, a denial of the
service requested, or a failure to dial within a
preset interval (usually 10seconds) after you
lifted the handset or dialed the previous digit.
recall dial Three short bursts of tone followed by a
steady dial tone. This tone indicates that the
system accepted the feature request. You
can start to dial.
reorder A fast busy tone repeated 120 times a minute.
This tone indicates that all trunks are busy.
ringback A low-pitched tone repeated 15 times a
minute. This tone indicates that the number
you dialed is ringing.