ATIS Telecom Glossary
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call progress tone
An audible signal returned by a network to a call originator to indicate the status of a call. Note: Examples of call progress tones include dial tones and busy signals.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
For more information on the work related to these definitions,
please visit the ATIS website and the ATIS Document Center