Nippon Telegraph and Telephone Corporation

Nec Platforms, Ltd.

Ryotaro Hachiya

Akira Morimoto

Shigeki Shimizu

Fumitaka Takatsuka

Kaori Utsunomiya

Kyoko Kanafuka

An incoming call controlling device () includes a connection determining unit () configured to determine, when an incoming call to a first phone number is received, whether a mobile phone terminal () is connected as an extension phone to the incoming call controlling device (); an incoming call controlling unit () configured to transfer the incoming call to a second phone number when it has been determined that the mobile phone terminal () is not connected to the incoming call controlling device (); and a caller information transmitting unit () configured to transmit, to a server (), identification information and caller information of the incoming call when a transfer by the incoming call controlling unit () is performed. The server () is configured to notify a phone terminal of the caller information by using a network different from a circuit used for the transfer.

Growing community of inventors

Tokyo, Japan

Ryotaro Hachiya