How do telecom cards send text messages to buy traffic?

Hello, how does China Telecom SMS open a traffic package?

The machine sends KTLL5 to 1000 1 5 yuan packet with 30M flow;

The machine sends 60M traffic from KTLL 10 to 1000 1 Open 10 yuan packet;

The machine sends KTLL20 to 1000 1 20 yuan packet 150M;

The machine sends KTLL30 to 1000 1 to open 30 yuan packet 300M traffic;

The machine sends KTLL50 to 1000 1 50 yuan packet 800M traffic;

The machine sends packets from KTLL 100 to 1000 1 with 2048M traffic;

The machine sends KTLL200 to 1000 1 to open 5G traffic of 200 yuan packet;