Brief introduction of network short message

Network short message is a text message transmitted through the No.7 signaling network. The size of information content is limited to 70 words (140 bytes). Network short messages are mainly sent and received end-to-end through mobile phones and between mobile phones and the Internet. Network short message refers to the information transmission process from the mobile phone terminal to the Internet or from the Internet to the mobile phone terminal when users receive or send short messages through the Internet.