CONNECTION SWITCHING PROGRAM, ELECTRONIC CONFERENCE SYSTEM AND CONNECTION SWITCHING METHOD

摘要

PROBLEM TO BE SOLVED: To acquire an IP address for specifying an electronic conference terminal without utilizing a communication line for connecting cellular phones from a state of connecting the cellular phones.

SOLUTION: A first electronic conference terminal 20 acquires a telephone number a1 of a first cellular phone 40 and a telephone number b1 of a second cellular phone 50 having called with the first cellular phone 40, from the first cellular phone 40. The terminal 20 transmits an acquiring request to a directory management section 62 to acquire the IP address as the identification information of a second electronic conference terminal 30 corresponding to the telephone number b1. The terminal 20 is connected to the terminal 30 via an IP network 92 using the acquired IP address. As described above, the connection is switched so that the terminal 20 can be connected to the terminal 30 from a state that a user A using the cellular phone 40 makes a call to a user B using the cellular phone 50.

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