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Intraswitch transition to new line support equipment

  • US 5,369,696 A
  • Filed: 05/29/1992
  • Issued: 11/29/1994
  • Est. Priority Date: 05/29/1992
  • Status: Expired due to Term
First Claim
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1. A method for transferring service provided to subscriber lines by one set of line unit equipment coupled to a digital telecommunications switch to another set of line unit equipment coupled to said switch, said switch having a first data assignment table that includes a list of subscriber telephone numbers and, for each telephone number, the identity of a line unit port associated with said one set of line unit equipment and the states of subscriber selectable features associated with each of said telephone numbers, the method comprising the steps of:

  • (a) creating a second data assignment table in said switch based on said first data assignment table wherein said telephone numbers and states of corresponding subscriber selectable features contained in said first table are stored in said second table;

    (b) assigning in said second table a line unit port identification of one of said another set of line unit equipment for each telephone number;

    (c) following steps (a) and (b), activating said second table and deactivating said first table to transfer said service, said active second table causing said subscriber lines to be serviced via said another set of line unit equipment.

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