How to check the phone bill by SMS?

Take telecommunications as an example:

You can edit the short message content 10 1 and send it to 100 1 to find out the current phone bill.

Edit the message content 102 and send it to 1000 1, and the account balance can be inquired;

Edit the short message content 103 and send it to 1000 1 to query the consumption bill of last month;

Edit the short message content 104 and send it to 1000 1 to query the historical consumption bill;

Edit the short message 108 and send it to 1000 1 to inquire about the usage of the package.