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Tones and Their Meaning
Ringing tones are produced by an incoming call. Feedback tones are those which you hear
through the handset (receiver) or the speaker.
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.
Feedback Tones
• busy tone — A low-pitched tone repeated 60 times a minute; indicates the number dialed is in
use.
• 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: one for an
internal call, two for an outside or attendant call, three for a priority call.
• call waiting ringback tone — A ringback tone with a lower-pitched signal at the end;
indicates the extension called is busy, and the called party has been given a call waiting tone.
• 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
listing 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.