What does peer-to-peer texting mean inside and outside the network?

If you are from China Mobile, then peer-to-peer short message in the network means that you send short messages to other people who are also from China Mobile, which is called peer-to-peer within the network. As for the price, it depends on whether the number of text messages you send is within the number of text messages sent by the package, which is generally 10 cents, and the number of text messages sent by the package is 50 cents.