Communication system using line appearances on a single line for connecting multiple devices
US6754201B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2000 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | May 3, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/206
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication system using line appearances to connect multiple devices via a single communication line, comprising a communication device, such as a PBX, for presenting call messages to initiate communications between a plurality of endpoints, a plurality of new communications endpoints having predetermined logical locations, such as IP addresses or directory numbers, and a Gateway connected firstly to the communication device via the single communication line, for carrying TDM signals and being capable of supporting multi-line devices, and secondly to the plurality of new communications endpoints via a LAN, for (i) presenting a multi-line appearance to the communication device, (ii) receiving the call messages and in response (iii) routing calls between the communication device and new communications endpoints by mapping between the line appearances on the communication line and the predetermined logical locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.