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TELEPHONE LINE SWITCHING APPARATUS, TELEPHONE LINE SWITCHING SYSTEM, TELPHONE RELAY SYSTEM, TELEPHONE RELAY METHOD, TELEPHONE RELAY PROGRAM

  • US 20070121605A1
  • Filed: 10/31/2006
  • Published: 05/31/2007
  • Est. Priority Date: 10/31/2005
  • Status: Active Grant
First Claim
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1. A telephone line switching apparatus incorporated in a telephone relay system performing a relay between a terminal device, to which terminal telephone numbers are allocated corresponding to a plurality of telephone lines, and a counterpart terminal, the device comprising:

  • an agent device for switching a telephone line, wherein the terminal device, to be line-connected with the counterpart terminal by using a different telephone number, includes a management block which transmits a control instruction of a line connection to the agent device, and the agent device establishes a line connection between the terminal device and the counterpart terminal by using a telephone number common to telephone numbers allocated corresponding to the plurality of telephone lines, based on the control instruction transmitted from the management block.

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