Device for inducing a wink in a telephone system
US5953390A · kind A · utility
2Cited by
9References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Mar 31, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13335
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to an adaptor for simulating the presence of a PBX device in a telephone network. The adaptor connects to an external line from the central office, and a test set. When the central office seizes the line, the adaptor responds by inducing a wink. The central office, believing that it has received an authentic PBX response, sends data to the PBX site responsive to the wink. The adaptor relays these signals to the external test set for analysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.