System and method of providing group wireless extension phone service in a radio telecommunications network
US6212377A · kind A · utility
Inventors
Key dates
| Filing date | Nov 27, 1996 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Nov 27, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A radio telecommunications network for providing group extension phone service to a plurality of subscribers utilizing standard wireline telephones is disclosed. The network comprises a gateway mobile switching center (G-MSC) connected to an external communication network, a home location register (HLR) which includes a database of directory number (DN) categories, a serving mobile switching center/visited location register (MSC/VLR) which includes a plurality of cellular trunks in a pool configuration, a base station connected to the serving MSC/VLR, and a multi-line terminal (MLT) for connecting the plurality of standard wireline telephones to the base station. The MLT includes a cellular side for establishing a radio link to the base station, an office side for establishing wireline connections to the plurality of standard wireline telephones, and an interface between the cellular side and the office side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.