Method and system for implementing roam restriction
US7817999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2006 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Sep 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W92/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for implementing roam restriction and a system thereof are disclosed in the present invention, by setting up a list of areas where the terminal is allowed to roam. The method includes: the terminal sends a wireless service request to the mobile switching center on the wireless communication network side, wherein the request carries the information of at least one cell currently activated by this terminal; the mobile switching center determines whether there is a cell among the at least one cell currently activated by this terminal, whose cell information is included in the list of areas where the terminal is allowed to roam, if yes, executes current wireless service for this terminal; otherwise, rejects to execute current wireless service for this terminal. With this method, when the number of the cells is increased or changed, there is no need to modify the relationship between the associated IMSI/MIN and the cells or modify the IMSI/MIN of the terminals one by one under the circumstance of migration. Furthermore, since the information of all cells currently activated by the terminal is obtained by the wireless communication network side, when the terminal is located in a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.