Patent ID: 8504015

Claim:
A wireless relay apparatus, comprising: a first wireless module configured to couple with a wireless access network to receive a phone call from an external party; and a second wireless module coupled to the first wireless module to process the phone 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 second wireless module is configured to be operable in a transparent mode, under which the second wireless module uses standard modem commands supported by the first wireless module to exchange control data corresponding to the phone call with the mobile terminal, and a translation mode, under which the second 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 first wireless module, so as to exchange voice data with the mobile terminal; and wherein the ATP commands include at least an ATP request command type, an ATP normal response type, and an ATP unsolicited response type.