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Title:
音声通信方法
Document Type and Number:
Japanese Patent JP4347401
Kind Code:
B2
Abstract:

To provide a voice communication server apparatus which handles voice communication between a telephone connected to a public network and a communication terminal connected to a packet exchange network.

The server apparatus 20 performs an intermediate operation between a telephone 2 connected to a public network 3 and a communication terminal 10 connected to a packet network 1. A telephone number identifying the communication terminal uniquely and a communication address on the packet network are allotted to the communication terminal 10. A server apparatus 29 includes a function which receives a telephone number of a communication network from the telephone 2, a function which obtains the communication address of the communication terminal 10 based on the received telephone number of the communication terminal, and a function which transmits a communication request to the communication terminal 10 using the received communication address.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Naoko Iwami
Susumu Matsui
Takahara Keiko
Application Number:
JP2008187268A
Publication Date:
October 21, 2009
Filing Date:
July 18, 2008
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H04M3/00; H04L12/66
Domestic Patent References:
JP56076657A
JP58215151A
JP62130049A
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office