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Tones and Their Meanings
Ringing tones are produced by an incoming call. Handset tones are those which
you hear through the handset (receiver).
Ringing Tones
1 ring—A call from another extension.
2 rings—A call from outside or from the attendant.
3 rings—A priority call from another extension, or from an Automatic Callback
call you placed.
ring-ping (half ring)—A call redirected from your voice terminal to another
because Send All Calls or Call Forwarding All Calls is active.
Handset Tones
busy tone—A low-pitched tone repeated 60 times a minute; indicates the
number dialed is in use.
call waiting ringback tone—A ringback tone with a lower-pitched signal at the
end; indicates that the extension called is busy, but the called party has been
given a call waiting tone.
call waiting tone—One, two, or three beeps of high-pitched tone, not repeated;
indicates an incoming call is waiting to be answered. Number of beeps designates
the source: 1 for an internal call, 2 for an outside or attendant call, 3 for a
priority call.
confirmation tone—Three short bursts of tone; indicates a feature activation or
cancellation has been accepted.
coverage tone—One short burst of tone; indicates your call will be sent to
another extension to be answered by a covering user.
dial tone—A continuous tone; indicates dialing can begin.
intercept/time-out tone—An alternating high and low tone; indicates a dialing
error, a denial of the service requested, or a failure to dial within a preset
interval (usually 10 seconds) after lifting the handset or dialing the previous
digit.
recall dial tone—Three short bursts of tone followed by a steady dial tone;
indicates the feature request has been accepted and dialing can begin.
reorder tone—A fast busy tone repeated 120 times a minute; indicates all
trunks are busy.
ringback tone—A low-pitched tone repeated 15 times a minute; indicates the
number dialed is being rung.
ZIP tone—A tone burst of one-pitch on ACD calls.
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