Method and apparatus for providing forwarding on ring-no-answer for remote telephone extensions using voice over packet-data-network systems (VOPS)
US7009962B1 · kind B1 · utility
17Cited by
41References
60Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1998 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Apr 15, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L41/0213
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method is described that comprises receiving a ringing voltage or tip-ground signal at a first telephone interface. Then, indicating to a control system at an interface that the ringing voltage or tip-ground signal is appearing at the first telephone interface. Then, calling a remote device over a packet data network while maintaining the first telephone interface in an on-hook state. The control system causes the calling in response to the indicating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.