How does Gansu Mobile use home-school interaction to send and receive short messages?

The way to send and receive SMS through home-school interaction is as follows: \r\n 1. Message to the class teacher: send a message bzr+ to 10657099\r\n2. Message for children: Send the message ly+ to 10657099\r\n3. Leave a message for the teacher. Send the message content of YW+ to 10657099\r\n4, inquire about the test results: send a short message CX to 10657099\r\n5, inquire about comments: send a short message py+ to10657099 \ r \. N7。 Inquire about the content of the notice: send a short message TZ to 1 0657099 \ r \ nFor example: \ r \ nFor example,1:Parents send a teacher's short message directly, and the content of the short message is sent to "Parents Feedback", and the information will be automatically sent to the teacher's mobile phone. \ r \ Example 2: Send "Mr. BZR and Me"