ATIS Telecom Glossary
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busy signal
In telephony, an audible or visual signal that indicates that no transmission path to the called number is available. Synonym busy tone. 2. In telephony, an audible or visual signal that indicates that the called number is occupied or otherwise unavailable. Synonym reorder tone.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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