Joke Collection Website - Public benefit messages - What does peer-to-peer texting mean?

What does peer-to-peer texting mean?

"Peer-to-peer SMS" refers to sending from one mobile phone terminal to another.

"In-network" refers to users of the same operator.

to be short

That is, mobile phones send text messages to mobile phones, or Unicom mobile phones send text messages to Unicom mobile phones.

If you send a short message to an operator or SP's server, such as moving your own port number 12580 or CCTV 9999, it is called an uplink short message.

The information sent by the server to the user is called downlink short message.