Mobile payment system and communication method thereof
A technology of mobile payment and communication method, applied in the field of mobile payment system, can solve the problems of unguaranteed security of wireless communication, increased cost, equipment complexity and cost increase, etc.
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[0028] refer to figure 2 , figure 2 It shows the payment communication method based on the audio interface of the mobile POS machine of the present invention. Wherein, the mobile payment system (shown by the dotted line box) includes a mobile POS machine and a terminal communication module. The audio interface of the mobile POS machine is connected to the audio interface of the terminal communication module through an audio cable, and the terminal communication module is, for example, a mobile phone. The information during the operation of the mobile POS machine can be directly transmitted to the mobile phone through the audio communication interface, and the mobile phone is connected to the bank POS server through the wireless network to form a communication channel for payment. After encrypted data interaction through this channel, the mobile POS machine completes the payment process.
[0029] Correspondingly, according to the mobile payment system of the present invent...
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