| 摘要 |
PROBLEM TO BE SOLVED: To realize a system where designation of another communication terminal being a data transmission destination and a telephone number and a terminal IP of the other communication terminal is not required when the user of the communication terminal sends/receives data via a communication channel. SOLUTION: A user ID in user registration information stored in a user registration information storage means 4 and a user ID in user relating information stored in a user relating information storage means 5 are collated. Furthermore, a communication opposite party ID corresponding to the user ID successfully collated is collated with a communication opposite party ID in communication destination information stored in a communication destination information storage means 6, another communication terminal of the communication opposite party is selected based on a communication destination terminal IP selected based on the communication opposite party ID successfully collated and the communication terminal of the user connects to the other communication terminal, then the communication terminal of the user makes dialing without the need for searching and designating the communication terminal of the communication opposite party and a telephone number of the communication terminal. |
