PBX system communications device
US5222124A · kind A · utility
15Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Feb 28, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/533
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A PBX communications device is disclosed. The PBX communications device permits communication between a PBX and an adjunct processor. The present invention uses direct communications with a PBX line card as the source of information for the adjunct processor and translates the information to a form usable by the adjunct processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.