In-line control of telephony device
US6011836A · kind A · utility
0Cited by
6References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 24, 1997 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Feb 24, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/6033
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system to control and monitor telephony devices that do not digitally interface with a control device, such as a PC, is disclosed. The control device communicates with the telephony device typically via standard telephone cable using tones to convey status and control information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.