| 摘要 |
PROBLEM TO BE SOLVED: To solve the conventional maintenance and administration problem of being unable to change data such as an extension number at one place in a relevant IP centrex system.SOLUTION: An IP centrex system includes a communication terminal and a server. The communication terminal includes means for storing, as a terminal telephone number, terminal identification data different from a terminal telephone number. The server includes: terminal station data storage means for storing the terminal telephone number and the terminal identification data different from the terminal telephone number in an associative manner; and when an incoming call to the communication terminal is received, terminal station data control means for searching the terminal station data storage means, on the basis of the terminal telephone number of a called party reported from a calling party, to use for communication control the terminal telephone number and the associated terminal identification data. |
