ATIS Telecom Glossary
Monday, April 21, 2014

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flash
A signal generated by the momentary depression of the telephone switchhook or other device. Note: A flash may be used to request additional services. 2. An on-hook signal of a defined duration, used to activate network features. [T1.401-1988]

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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