Storing query results to reduce number portability queries...

Details Storing query results to reduce number portability queries... Storing query results to reduce number portability queries...

2007-04-10

2007-04-10

Appiah, Charles (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S432100, C379S221130

Reexamination Certificate

active

10767909

ABSTRACT:
A telecommunication system includes: a first mobile switching center associated with a directory number, a local number portability data storage device in communication with the first mobile switching center, and a second mobile switching center in operative communication with the first mobile switching center and associated with wireless service to a mobile station. A subscriber associated with the mobile station has ported the directory number from the first mobile switching center to wireless service via another mobile switching center. In several embodiments, a method of relating the directory number to the mobile station for an incoming call is provided. The directory number is associated with a first mobile switching center and wireless service to the mobile station is associated with a second mobile switching center. Ultimately, in each embodiment of the method, the incoming call is forwarded from the first mobile switching center to another mobile switching center.

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Communication—European Search Report, no date listed.

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