Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2007-10-30
2007-10-30
Nguyen, Quynh H. (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S221020, C379S221130, C379S221140
Reexamination Certificate
active
10944253
ABSTRACT:
A method, and a switched network adapted to carry out the method, and computer-readable media carrying instructions for controlling the network, to increase the utilization of the North American Numbering Plan. Numbers that otherwise would be stranded in a low growth rate area are ported to a network switch serving another rate area. When a switch receives a called number it determines if the number is portable and, if so, accesses a database to determine if the number has been ported. If the number has been ported the switch processes the call in accordance with information linked to the number in the database so that stranded numbers can be assigned to stations without regard to the rate area in which the stations are located.
REFERENCES:
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patent: 5854835 (1998-12-01), Montgomery et al.
patent: 6035029 (2000-03-01), Little et al.
patent: 6128377 (2000-10-01), Sonnenberg
patent: 6301351 (2001-10-01), King
patent: 6327349 (2001-12-01), Rollins
Nguyen Quynh H.
Verizon Business Global LLC
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