Mobile messaging global directory
US6996408B2 · kind B2 · utility
2Cited by
24References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2002 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Aug 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/4552
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and structure for a communication system has a first-level regional server connected to a first agency and a second agency, and a second-level regional server connected to a plurality of the first-level regional servers. The second-level regional server has a first connection for connecting to one first-level regional server. The invention also has a second connection for connecting to another first-level regional server. The invention also includes a global directory and a central processing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.