I joined Cingular Wireless following an online advertisement by their authorized agent, Inphonic (1010 Wisconsin Avenue NW Suite 600 Washington, DC 20007) The advertisement promised free phones, a $600 rebate on two Motorola MPX-220 phones. Although I have met all conditions to receive my rebates, both Cingular and Inphonic refuse to honor the rebate. The rebate instructions indicated 'entries must be postmarked no earlier than 180 days and no later than 210 days after activation.' I interpreted the instructions as busine... read full review »