H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/42 (2006.01) H04L 12/66 (2006.01)
Patent
CA 2596770
According to one embodiment, there is provided a telephone system including; a plurality of exchanges interconnecting a plurality of communication terminals through a communication network, each exchange receiving from each communication terminal a connection request including an extension number of each communication terminal, based on authentication processing and including; a management data base where the extension number is correlated with an address information of a prescribed exchange; an acquisition processing unit retrieving the management data base based on the extension number when the connection request is received from the communication terminal and acquiring the address information; and a notification processing unit notifying the communication terminal of the address information of the acquired prescribed exchange. Each communication terminal comprises a reconnection request processing unit transmits the connection request to the address information of the prescribed exchange when the address information of the prescribed exchange is notified from the exchange.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kabushiki Kaisha Toshiba
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