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CALL FORWARDING ARRANGEMENT

  • US 3,854,013 A
  • Filed: 04/11/1973
  • Issued: 12/10/1974
  • Est. Priority Date: 04/11/1973
  • Status: Expired due to Term
First Claim
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1. A call forwarding arrangement for automatically forwarding calls by a calling subscriber station originally directed to a forwarder subscriber station to a forwardee subscriber station, for use in a telephone system including a common control having a plurality of registers for connection to any of a plurality of subscriber stations for receiving dial pulses therefrom, said call forwarding arrangement comprising:

  • a memory for the random storage of equipment numbers of said forwarder and forwardee subscriber stations;

    means for identifying any one of the plurality of registers having a call forwarding request or call forwarding erase codes dialed therein by a calling forwarder subscriber station connected to the register by the common control;

    message storage circuit means responsive to a call forwarding request code dialed in an identified register for receiving from the common control the identity and class of service of the forwarder subscriber station connected to the identified register, for receiving from the identified register the number of a forwardee subscriber station subsequently dialed into the register by the forwarder subscriber station, and for storing into said memory the forwarder subscriber identity and forwardee number;

    memory erase circuit means responsive to a call forwarding erase code dialed in the identified register for receiving from the common control the identity and class of service of a forwarder subscriber station connected to an identified register for erasing from said memory the corresponding forwarder subscriber station identity and forwardee subscriber station number previously stored therein, and call diverter circuit means for identifying any one of the plurality of registers connected to a calling subscriber station by the common control and having the number dialed therein corresponding to a forwarder subscriber station having its identity stored in said memory for changing the number in the identified register to the corresponding forwardee subscriber station number stored in said memory.

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