Target area calling system
US5329581A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1991 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Dec 23, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/0016
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system for completing a series of calls from a calling party to a plurality of called parties served by a common terminating switch and located in the same general geographic area, is implemented by a) establishing a first communication path from the calling party to the terminating switch b) establishing a second communication path from the terminating switch to the the called party using routing information received from the calling party regarding the called party c) bridging those two communication paths to form a complete connection from the calling party to the called party d) preserving the first communication path and reusing it to complete all the calls in the series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.