Importance

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Abstract

This invention relates to VoEP phone that send-receive voice through the internet and normal phone that send-receive voice using PSTN (Public Switched Telephone Network) that is a telephone system that do send-receive be, and more particularly not exclusively, the invention relates to a system and method that use VoP phone and normal phone using mobile communication terminal. According to the present invention that is proposed in order to achieve purpose such as preceding, a system that use VoP phone and normal phone using mobile communication terminal comprises VoIP phone or normal phone; mobile communication terminal that can connect to wireless internet; WAP (Wireless Application Protocol) server that send mobile communication terminal telephone number and destination telephone number of linked user inputted to preceding mobile communication terminal to service application server; service application server that is linked with preceding WAP server, and includes VoP phone user or database that store normal telephone user information and mobile communication terminal information linked with preceding VoP phone or normal phone, and set up user authentication and call service model; gateway that is connected with preceding service application server, does user authentication and request call to mobile communication terminal of linked user and destination terminal.

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First Claim