Externally controlled call processing system
US5291492A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1991 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Dec 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S370/908
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system for external control of call processing including a network controller that is connected to receive a third party control message regarding a call operation to be executed by one or more line controllers and is programmed to determine what first party steps need to be taken by the line controller or controllers to execute the call operation, to generate first party control messages to carry out the steps, and to send the first party control messages over a network via a message transfer interface to one or more line controllers, the line controllers being connected to the network via message transfer interfaces to receive the first party control messages and being programmed to execute the first party messages on the network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.