Peer-to-peer short message service refers to the short message transmission from mobile phone to mobile phone. Among them, peer-to-peer SMS in the network refers to sending messages to each other between Unicom users, and peer-to-peer SMS outside the network refers to sending messages to each other between Unicom users and other network users.
If you have any questions, you can also log in to the online business hall, and click phone bill inquiry > bill inquiry > SMS and MMS detailed list to inquire the SMS and MMS detailed list within half a year (including the current month). Or consult the specific situation through manual customer service.