Call processing method capable of home-zone additional services in mobile communication system
US6785544B2 · kind B2 · utility
7Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2001 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Oct 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W92/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A call processing method capable of home-zone additional service in a mobile communication system, in particular, which gives subscribers a discount in accounting without an additional equipment if the subscribers call within previously registered areas. According to the call processing method capable of home-zone additional service in the mobile communication service of the invention, the subscriber can be provided with the home-zone additional service with low cost, thereby enhancing customer satisfaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.