Method and apparatus for providing backup telecommunication service
US6925053B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2001 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Jan 8, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A technique for providing telecommunications service is disclosed that uses a test bus to test customer subscriber lines and to provide a connection between a customer subscriber line and transmission equipment, which handles outbound backup calls. This backup transmission equipment can be inexpensively retrofitted into switches and remote terminal equipment in the field. The illustrative embodiment of the present invention comprises: a plurality of customer subscriber lines; a metallic test bus that can be electrically connected to any of the plurality of customer subscriber lines; drop test logic for testing at least one electrical characteristic of any of the plurality of customer subscriber lines via the metallic test bus; and transmission equipment for providing telecommunications service to any of the plurality of customer subscriber lines via the metallic test bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.