Tax-controlled safety module for realizing fully-online tax invoicing
A security module and tax control technology, applied in cash registers, user identity/authority verification, instruments, etc., can solve the problems of server-side processing pressure, etc., to solve fake invoices, ensure accuracy, ensure safety and reliability sexual effect
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[0022] The specific implementation is as follows:
[0023] 1. Under normal circumstances, use the ADSL channel to complete the billing business.
[0024] 2. When the existing ADSL channel fails, the system scheduler automatically switches to use the 3G wireless network channel to complete the billing business.
[0025] 3. When billing cannot be realized through ADSL and 3G wireless channels, the system scheduler will automatically switch to the SMS channel to complete the billing business.
[0026] When the SMS channel is enabled to process the invoicing business, the tax control security module first generates the invoice anti-counterfeiting code, invoice number, and invoice code. The generated invoice information must be sent back to the server via SMS, and the taxpayer can generate a QR code and issue an invoice only after receiving the confirmation message sent back from the server.
[0027] Because it is necessary to interact with the server to issue tickets, this mode ...
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