Intraswitch transition to new line support equipment

Details Intraswitch transition to new line support equipment Intraswitch transition to new line support equipment

1992-05-29

1994-11-29

Dwyer, James L.

Telephonic communications

Centralized switching system

Switching controlled in response to called station...

379279, 379269, H04M 700

Patent

active

053696964

ABSTRACT:
This invention is generally directed to minimizing the disruption of subscriber selectable features during the transfer of subscriber lines from a first line unit equipment to a second line unit equipment associated with a telecommunications switch. A second data assignment table which is based on a first data assignment table is utilized in conjunction with a digital telecommunications switch to facilitate an improved service transition when subscriber lines are to be transferred from a first type of line unit equipment to a second type of line unit equipment. The data assignment tables contain for each telephone number an identification of a line unit address utilized to support that telephone number and corresponding parameters which identify which customer selectable features are active. The second data table duplicates the parameter defining features in existence in the first table as of the time of creation of the second table, but substitutes different line unit addresses corresponding to the new line unit equipment for each telephone number to be supported. Upon a physical transition to the new equipment, the second data table is activated so that upon a resumption of service customers will have access to previously defined features as defined in the second table.

REFERENCES:
patent: 4653043 (1987-03-01), Brady
patent: 5105420 (1992-04-01), Ardon
patent: 5187733 (1993-02-01), Beffel

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