Patent ID: 8385947

Claim:
A mobile device for communicating wirelessly with a remote receiver station, the mobile device comprising: a controller configured to monitor a status of the mobile device and, upon an initiation event, initiate a data transfer process to wirelessly communicate data to the remote receiver station; a voice-band modem that, upon initiation of the data transfer process, is configured to communicate with the controller to: receive source data for transfer to the remote receiver station; encode the source data to form a series of encoded packets; transmit the encoded packets to the remote receiver station using a first modulation scheme; and unless an indication is provided that the series of packets has been received by the receiving station, automatically retransmit the encoded packets to the remote receiver station using a second modulation scheme, wherein the voice-band modem and controller are further configured to communicate to use a first burst format for the first modulation scheme and at least one of a second burst format and a third burst format for the second modulation scheme.