Network telephone communication
US6650635B1 · kind B1 · utility
24Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1999 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Apr 23, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M7/0015
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communications system includes a telephone, a data network, a device coupled to the data network and telephone, and a communications routine in the device. The communications routine controls communication of voice data between the telephone and the data network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.