Alcatel-Lucent 8410d Benutzerhandbuch

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Ringing tones are produced by an incoming call.  Feedback tones are those which you hear through the handset 
(receiver) or the speaker. 

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 - A call from another extension. 

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 - A call from outside or from the attendant. 

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 - An Automatic Callback call you placed has been connected. 

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 - A call redirected from your telephone to another because Send All Calls or Call 

Forwarding All Calls is active. 

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 - A low-pitched tone repeated 60 times a minute; indicates the number dialed is in use. 

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 - 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. 

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 - 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. 

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 - Three short bursts of tone; indicates a feature activation or cancellation has been accepted.  

When you have finished selecting a ringing pattern for your telephone, you hear two rising tones. 

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 - One short burst of tone; indicates your call will be sent to another extension to be answered by 

a covering user. 

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 - A continuous tone; indicates dialing can begin. 

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 - 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. 

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 - Three short bursts of tone followed by a steady dial tone; indicates the feature request has 

been accepted and dialing can begin. 

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 - A fast busy tone repeated 120 times a minute; indicates all calling facilities are busy. 

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 - A low-pitched tone repeated 15 times a minute; indicates the number dialed is being rung. 

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 - A rising set of tones; indicates the speakerphone is adjusting itself to the 

surrounding room acoustics.