| 摘要 |
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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