Can Unicom make a detailed list of messages sent by mobile phones?

"If you want to query or print the detailed list of SMS and MMS sent by your Unicom mobile phone number, you can query or print the detailed list of SMS and MMS through Unicom online business hall at present. But you can only see the number you sent to the sender, but you can't find the content of the SMS and MMS you sent. The inquiry or printing method of SMS and MMS detailed list is as follows: you can log in to Unicom's online business hall, and click phone bill inquiry > detailed list inquiry > SMS and MMS to inquire about the SMS and MMS detailed list for six months. If you want to print a detailed list of SMS and MMS, you can click "Print" at the bottom of the screen (pictured). "