How does China Telecom's mobile phone exchange points for traffic?

China Telecom's mobile phone uses points to exchange traffic as follows:

Send a text message 106 to 1000 1 on your mobile phone, and follow the reply. Telecom mobile phones can exchange points for traffic as long as they enter the telecom points club and choose traffic exchange; Log in to the telecom online business hall, click the query on the left to enter the phone bill query page, click the exchange next to my points on the left, and then select the exchange flow.