Remote access telephone control system
US5588037A · kind A · utility
120Cited by
77References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1994 |
| Grant date | Dec 24, 1996 |
| Priority date | — |
| Expiry date | Jul 8, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W92/02
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone switching and control system connected to a telephone network for providing telephone calling services to an authorized user. The telephone switching and control system includes at least one switch for concurrently servicing a plurality of users; and at least one controller for receiving user authorization information, controlling the at least one switch and, during a call from the user, permitting that call to be extended to one or more network addresses in a series of extensions of that call without requiring the user to go on hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.