Electronic audio communications systems network
US4640991A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1982 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Sep 29, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/2083
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An advanced electronic telecommunications system is provided for the deposit, storage and delivery of audio messages to both user and non-users with limited access provided to the non-user under the control of the user. A Voice Message System (10) interconnects multiple private exchanges (12) of a subscriber with a central telephone office (22). Individual subscriber users may access the Voice Message System (10) through ON NET telephones (18) or OFF Net telephones (24). Selected non-users may be allowed access through the OFF NET telephones (24), the scope of the access of the selected non-users is determined by a subscriber user. The Voice Message System (10) includes an administrative subsystem (60), call processor subsystem (62) and a data storage subsystem (64). The Voice Message System (10) enables the user to deposit a message in data storage subsystem (64) for automatic delivery to other addresses connected to the system. Individual systems (42) can be linked in a network (40) by either a digital data link (48) or a public telephone network (51). The Voice Message System (10) also enables a user to access the system to determine if any messages have been in data storage sub…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.