Single telephone number calling method and calling apparatus for mobile unit
US7546112B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2003 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Mar 26, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W8/28
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention provides a calling method by a mobile unit. The mobile unit pre-stores a default dialing number, and has a database storing a plurality of primary dialing numbers. Each of the primary dialing numbers corresponds to one geographic location. When a user dials a calling number, the present invention tests if the calling number is identical to the default dialing number. If the calling number is identical to the default dialing number, the present invention retrieving one primary dialing number from the database based upon a current location of the mobile unit. Then, the present invention makes a telephone connection based on the one primary dialing number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.