Can you check the SMS records?

Record the content of the short message

But the average user can't query the content.

Only public security personnel and inspectors can go to the reception room with valid certificates for investigation.

But the number of words in SMS can be as simple as that of ordinary users.

You can view the current expense list. SMS shows that the maximum talk time (1 word = 2 seconds) is 140 seconds. It can be said that the number of words and the specific time of departure.

good luck