Joke Collection Website - Public benefit messages - Does the telecom super secondary number shutdown mean cancellation, and it's useless for me to call customer service and then call again?

Does the telecom super secondary number shutdown mean cancellation, and it's useless for me to call customer service and then call again?

Hello, your reply to the above question is as follows:

One: super secondary number cancellation method:

(1) Send SMS 473 to 1000 1.

(2) Call118313110000 to cancel.

Two: dial1183131+the other party's number to make a call. In addition, you can't make a phone call when the secondary number is turned off.