H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 1/72 (2006.01) H04L 12/66 (2006.01) H04M 1/723 (2006.01) H04M 11/06 (2006.01) H04Q 3/00 (2006.01) H04Q 3/42 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2608612
According to one embodiment, a telephone system including a first communication terminal configured to perform a telephone communication by use of proper address information, a master device which accommodates the first communication terminal via an extension telephone network, and a second communication terminal configured to perform a telephone communication by use of proper address information different from that of the first communication terminal, characterized in that, in the case where an extension number of the first communication terminal and that of the second communication terminals are the same with each other, the master device, when receiving a connection request from the second communication terminal, distinguishes the first communication terminal from the second communication terminal by using the address information proper to these communication terminals, and accommodates the second communication terminal via the extension telephone network.
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Toshiba
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