Apparatus and a method for performing a call control in a mobile communication system
US6597909B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1999 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Jun 28, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W8/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus and a method for performing a call control in a mobile communication system including a home location register storing subscriber data for a home subscriber, a mobile switching center storage storing call connection information and a visitor location register for storing subscriber data for a roaming subscriber. The present invention determines in response to a service request signal that subscriber data is to be stored in the visitor location register and that there is no area therein for storing the subscriber data and based on the determining, retrieves the subscriber data from the home location register and stores the retrieved data in the mobile switching center storage area or overwrites the retrieved data in the visitor location register area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.