H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/47 (2006.01) H04Q 3/00 (2006.01) H04M 3/42 (2006.01)
Patent
CA 2256066
An intermediate layer of switch service management between a number portability administration centre and a switch selects those ported telephone numbers for in switch-based ported number routing, thus greatly improving the efficiency of number portability.
Borden Ladner Gervais Llp
Nortel Networks Limited
Northern Telecom Limited
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