Telephone systems
US7149194B2 · kind B2 · utility
0Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2001 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Nov 30, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mobile telephone system is provided with a new architecture for dealing with voice internet protocol traffic.Real time traffic from mobile stations (22) is routed by a public land mobile telephone network internet protocol core (20) directly to one of two media gateways (28,32) respectively serving a plain switched telecommunication network/integrated services digital network (26) and an internet protocol backbone (30) without passing through the usual general packet radio system (GPRS) specific gateway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.