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| First Page | Document Content | |
|---|---|---|
 Date: 1997-05-02 16:32:42Local number portability Electronic engineering Telephone exchange Global Title Signal Transfer Point Telephone numbers Technology Local Routing Number |
| First Page | Document Content | |
|---|---|---|
Date: 1997-05-02 16:32:42Local number portability Electronic engineering Telephone exchange Global Title Signal Transfer Point Telephone numbers Technology Local Routing Number |
