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System for controlling a call termination on the basis of caller data in a private switched telephone system

  • US 5,602,904 A
  • Filed: 03/08/1995
  • Issued: 02/11/1997
  • Est. Priority Date: 03/09/1994
  • Status: Expired due to Term
First Claim
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1. A telephone system comprising:

  • destination information memory means for storing source addresses of calls and extension terminals to which call is to be connected in response to each of the source addresses;

    terminating mode memory means for storing trunk identifiers and terminating modes associated with each trunk identifier;

    terminating mode detecting means responsive to an incoming call for detecting a terminating mode from said terminating mode memory means;

    termination control means, operative when the termination mode detecting means detects that termination should be done in a termination mode using said destination information memory means, for finding the extension terminal associated with a source address transmitted from a network and for connecting the incoming call to the found extension terminal;

    timer means for timing the present time;

    time differential memory means for storing a time differential with respect to different geographic areas; and

    local time calculating means for calculating the local time for a source address from the present time and the time differential with respect to the geographic area of the source address, whereinthe local time of the source address is obtained.

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