How do telecom mobile phones order traffic packets by SMS?

Hello, first of all, thank you for your support to China Telecom. According to your description, you can use a telecom mobile phone to send a short message and send the number 4 12 to 1000 1 to order the traffic package products. The order will take effect in the same month. The reply is for reference only. For details, please consult 10000 or visit the online business hall of Anhui Telecom.189.cn Anhui Telecom Love Home Package is on fire! As long as you spend 169 yuan every month, you can enjoy 50M fiber-optic broadband, 10G traffic, 1000 minutes of free calls and HD iTV 1. Please visit Anhui Telecom's online business hall for details.

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