Automatic number identification (ANI) is a feature of telephony intelligent network services that permits subscribers to display or capture the billing telephone number of a calling party. In the United States it is part of Inward Wide Area Telephone Service (WATS).
automatic number identification meaning:[Computer] < communications > (ANI) A service that tells the recipient of a telephone call the telephone number of the person making the call. This number can be passed to computer equipment ...automatic number identification перевод:тлф. автоматическое определение номера