Title:
電話システム
Document Type and Number:
Japanese Patent JP4197719
Kind Code:
B2
Abstract:
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.
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Inventors:
Fumi Tamiwa
Application Number:
JP2006321909A
Publication Date:
December 17, 2008
Filing Date:
November 29, 2006
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H04L12/70; H04M3/42
Domestic Patent References:
| JP2004064225A | ||||
| JP10215479A | ||||
| JP10322398A | ||||
| JP9215020A |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto