The device which offers telephone service to the telephone which in local telephone wiring which is not jointed to the central office telephone switchboard the plug is jointed

摘要

The present invention concerns a device (4) comprising a first interfacing means (54) for linking to a residential phone wiring (11) and a second interfacing means (56) for accessing a network (100), the residential phone wiring being connected to a first phone subscriber line interface means (21) located in a central office (2), the residential phone wiring comprising plugging means (110) for connecting at least a first analog phone (7). The device comprises second phone subscriber line interface means (51) for providing phone services over the network (100) and means for coupling the first phone (7) to the second phone subscriber line interface means (51) when the residential phone wiring (11) is disconnected from the first phone subscriber line interface means (21).