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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 — 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. When you have finished selecting a ringing
pattern for your voice terminal, you hear two rising tones.
• 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.
• local error tone — A steady low tone; indicates an incorrect button press.
• 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.
• speakerphone reset tones — A rising set of tones; indicates the speakerphone
is adjusting itself to the surrounding room acoustics. Note: Only 8405B Plus and
8405D Plus voice terminals with the Reset Speakerphone feature will play these
tones.