System and method for retrofitting existing building telecommunications infrastructures
US6483902B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1999 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Apr 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2201/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An improved system and method for retrofitting telecommunications infrastructures of existing buildings with new telecommunications services. The present invention allows new telecommunications services to be provided over existing telephone lines with reduce cost. The present invention also includes an improved system and method for providing a plurality of telephone connections and data traffic over a single communications channel. The present invention also provides improved telephony line interface module and telephony device embodiments which effectively implement line card functionality in the telephony line interface module and/or telephony device, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.