Communication services through multiple service providers
US6879584B2 · kind B2 · utility
148Cited by
22References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2001 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | May 4, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Apparatus and methods using a first service provider such as a WAN cellular service provider to initiate a communications exchange between a plurality of communications units and a second service provider such as WLAN service provider to provide enhanced communications services to the units has been disclosed and described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.