| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an IP (Internet protocol) telephone communication system capable of automatically recognizing the IP address of an opposite party to establish IP telephone communication by IP telephone terminals connected to an automatic allocation IP address system provider without preparing a VoIP (voice over Internet protocol) gateway, a VoIP gatekeeper, or the like. <P>SOLUTION: In this IP telephone communication system in which communication is performed between the IP telephone terminals connected by a communication line, after the IP telephone terminals 100 and 200 establish a link to a communication line 300, an IP address automatically allocated by the automatic allocation IP address system is automatically transmitted to the IP telephone terminal of the opposite party by e-mail, the IP telephone terminal of the opposite party which has received the e-mail associates the telephone number of an IP telephone terminal that has transmitted the e-mail with an IP address and with an e-mail address and automatically registers the telephone number in a table 400, and the IP telephone terminals perform IP telephone communication by using the IP address of the IP telephone terminal of the opposite party registered in the table. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
