ATIS Telecom Glossary
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user-provided number (UPN)
An ISDN number, supplied completely or partially by the calling user or the redirecting user, that is associated with the calling user or the redirecting user. The UPN may also be accompanied by a subaddress. [T1.625-1993]

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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