| 摘要 |
The present invention relates to a method that, when users who share one terminal or a plurality of terminals and one calling number or a plurality of calling numbers use individualized database information to utilize communication services, assigns a user identification number that identifies each of the service users in the same user group, attaches the user identification number to the service identification number in the form of a prefix and suffix, provides the user identification number as a means whereby both an exchange and a server identify a user by the number inputted by the user when a phone is used, and classifies and saves information on each service user, thereby ensuring convenience and security when the user uses communications service. The present invention relates also to a computer-readable recording medium whereon is recorded a program to realize such functions. |
