Abstract: The system, which retrofits existing brand mobile telephones by adding short range audio and command application and by adding a server to distance harmful radiation, comprises a server, a client mobile telephone having a long range and a short range transceiver, the client having a SIM module. The server has a short range and a long range transceiver and a second SIM module that has priority over the client with the network. The server, when in communication range with the client, receives the incoming call from the base station, transfers audio to the client by short range communication, receives audio from the client handset and transmit a signal corresponding to the audio to the base station.