Patent ID: 8571545

Claim:
A wireless relay apparatus, comprising: a telephone module configured to couple with a public switched telephone network (PSTN) to receive a telephone call from an external party; and a wireless module coupled to the telephone module to process the telephone call and configured to wirelessly connect to a mobile terminal such that the telephone call is forwarded to the mobile terminal over a short-range wireless link along with signaling information for the mobile terminal to establish both a signaling connection and a voice connection with the external party, wherein the wireless module is configured to be operable in a transparent mode, under which the wireless module uses standard modem commands supported by the telephone module to exchange control data corresponding to the phone call with the mobile terminal, and a translation mode, under which the wireless module uses abstract telephony protocol (ATP) commands to exchange control data corresponding to the phone call with the mobile terminal and translates the ATP commands into the standard modem commands supported by the telephone module, so as to exchange voice data with the mobile terminal.