Method and arrangement for handling network specific subscriber data during roaming by use of SIM card information storage
US6745029B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1999 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Jul 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W8/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and arrangement for implementing the acquisition of data relating to network-specific supplementary services and a method for updating subscriber data relating to network-specific supplementary services in a telecommunications system. The subscriber data relating to the network-specific supplementary services is permanently stored in a subscriber identity module (12) of a user terminal. The user terminal (11) is arranged, at least when registering in a visited network (30), to automatically transmit the subscriber data relating to the supplementary services of the visited network (30) for temporary storage to the subscriber database (34) of the visited network (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.