Telecommunication method and suitable system for establishing a connection with a mobile station
US7164927B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1998 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Dec 2, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/8166
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to a telecommunication method and a system suitable for same for establishing a connection with a mobile station, for example a GSM mobile telephone, of a subscriber located in a visited public land mobile network. According to said method the calling mobile subscriber in the visited public land mobile network prepares a short message, for example an unstructured supplementary service data message with the desired destination number and sends said message, which is then transmitted to a callback computer which establishes a connection between the calling mobile subscriber and the desired destination number. A connection to a called mobile subscriber in a visited public land mobile network is established by a callback computer whose number is assigned to the called mobile subscriber in the home location register. Before a connection is established the remaining credit and airtime of the mobile subscriber is verified in a prepaid module connected to the callback computer, on the basis of prepaid amounts or with the aid of at least one schedule of telephone tariffs and on the basis of a location of said subscribers stored in the home location register of the home…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.