ATIS Telecom Glossary
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automatic number identification (ANI)
A service feature in which the directory number or equipment number of a calling station is automatically obtained. Note: ANI is used in message accounting. 2. The code that provides the billing number of the line or trunk that originated a call. [T1.104-1988] 3. A system that identifies the billing account for a call. For 911 systems, the ANI identifies the calling party and may be used as a call back number. [47CFR]

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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