Patent ID: 7248869
Filing Date: 2007-07-24
Classification: H04M,H04W

Abstract:
1. A method of coupling a radio interface unit that couples a land-type telephone instrument to a radio system, which radio interface unit comprises interface means for coupling the land-type telephone instrument to a radio transceiver for providing the capability of using the land-type telephone instrument for at least one of making or receiving a call over a radio system, by using one of a pair of wirelines of a premises land-line wiring each having tip and ring lines associated therewith accessible via jacks, said method comprising: (a) connecting said interface means to the tip and ring lines of one of said pair of wirelines of a premises land-line wiring via one said jack thereof; and (b) connecting at least one land-type telephone instrument to the tip and ring terminals of said one of said pair of wirelines of a premises land-line wiring via at least one other said jack associated with said one wireline to which is connected said interface means of said step (a); and before said step (a): (c) testing a wireline of the pair of wirelines of a premises land-line wiring for determining the presence of operational voltage thereon in order to determine if the wireline is operationally connected to the PSTN.