The multi-line and station interface device as claimed in claim 1, whereupon a request from any of said customer stations to place a station call, said control device establishes a connection with a dial tone provided by any one of said one or more service providers.Ĥ. The multi-line and station interface device as claimed in claim 1, wherein said switching device is configurable to route communication signals in a predetermined order.ģ. (d) a control device for controlling said bus switching device to enable automatic and selective access between the different communication lines provided by one or more service providers and any one of said customer stations, the control device further enabling simultaneous conversations to be carried on the different communication lines by allowing a connection between one of said plurality of station access modules and one of said plurality of line access modules, while at the same time also allowing a second connection between another one of said plurality of station access modules and another one of said plurality of line access modules.Ģ. (c) a configurable bus switching device for enabling a direct line connection between any one of said plurality of line access modules and any one of said plurality of station access modules and (b) a plurality of station access modules, for connecting to said customer stations (a) a plurality of line access modules each one of the plurality of line access modules for connecting to a different communication line A multi-line and station interface device for providing multi-line access to single-line and multi-line customer stations without requiring additional wiring or line access selection buttons, said interface device comprising: Local transfer arrangement for electronic private automatic branch exchangeġ. Telephone call routing and charging system Method of and system for limiting access to a group of telephone trunks Multi-line access module for telephone set Single line telephone communication system Telephone system for ISDN and public telephone networks Key telephone system with enhanced connectivityĪutomatic redial in a key telephone system having different line types Method and apparatus for sharing of common in-house wiring to permit multiple telephone carriers to serve the same customerĬontrol of incoming and outgoing calls in a key system Telephone line selector and call accountantĬall waiting arrangement providing options to both a subsequent calling party and to the called party ![]() Least cost routing device for separate connection into phone lineĭiverter interface between two telecommunication lines and a station set ![]() Wiring scheme and network adapter with digital and analog outputs to allow old pots coexistence with ISDN System and method for simultaneously controlling ringing at local and remote telephones Home and small business phone system for operation on a single internal twisted pair line and methodology for operating the same
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