| 摘要 |
A telephone number is automatically adjusted in the context a business card or other telephone number exchange. The country code, area code, or other prefix portion is added, removed, or modified based on a location associated with the telephone number and/or a location associated with the recipient. In one example, a sending device looks up location information by contacting the service provider, using locally-stored information, or otherwise, and, based on this information, includes au appropriate prefix. The sending device can also use a location associated with the recipient in determining an appropriate prefix or adjusting a received prefix, for example, based on the recipient's own telephone number. Adjustments to telephone numbers can also be made by recipient devices, intermediary devices, and any other devices that may be involved in the exchange of telephone numbers, business card information, or related activities, and in other contexts as well.
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