| 摘要 |
<p>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.</p> |
