Global local SIM
US9374700B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2013 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Oct 2, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W8/183
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication system includes a telephone network having a mobile communication switching center, a plurality of subscriber terminals, and routing logic. The system further including a plurality of wireless access points located in different countries, wherein each of the subscriber terminals is identified by a telephone number, the telephone numbers being selected from a block of telephone numbers in international format, but which have not been allocated to any particular country, the wireless access points being configured to pass all signals from any of the subscribers' terminals having telephone numbers within the number block to the mobile communication switching center which contains MNO core infrastructure. A method is also provided. The system and method create a network in which SIM-enabled mobile phone can be used worldwide as if on a local network, and without roaming charges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.