Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor
US5544227A · kind A · utility
70Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An interface circuit for use with a radiotelephone communications system in which the interface circuit is adapted to interface a trunk circuit serving a telephone switching system with a radiotelephone of the system using the trunk circuit supervision and signaling so that the switching system and trunk circuit have direct access to the radiotelephone system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.