| 摘要 |
A system for verifying and updating a telephone number. After dialing a telephone number, a contact name and a timestamp in a service provider database is compared with a contact name and a timestamp in a storage device. If the contact name in the service provider database does not match the contact name in the storage device and the timestamp in the service provider database is not more recent than the timestamp in the storage device, a determination is made as to whether the service provider database indicates that a new telephone number is associated with the contact name. If a new telephone number is indicated for the contact name, the service provider database is queried for the new telephone number and the dialed telephone number is routed to the new telephone number. Also, the storage device is updated with the new telephone number.
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