Patent ID: 8126512

Claim:
A wireless communications device comprising: a transceiver within the device; a keypad within the device; a microphone within the device; a first logic unit for analyzing a plurality of coded incoming signals received through the microphone, the analysis including identification of a plurality of signal peaks and blocks, wherein the plurality of signal peaks and blocks correspond to a form of binary code, identifying a binary preamble within the coded incoming signals, the binary preamble indicating that a destination address will follow, generating an alert, the alert indicating that the binary preamble has been received, and identifying a valid destination address corresponding to a second device by analyzing a second plurality of signal peaks and blocks received subsequent to the binary preamble, each one of the signal peaks and blocks of the second plurality interpreted as one of a one and a zero in the form of binary code; and a second logic unit for automatically dialing the identified valid destination address.