How to turn on caller ID by SMS?

Caller ID is "Caller ID", and the opening method is as follows:

First edit the short message "10086" and send it to "10086" to get the menu of the short message business hall, and then reply to the specified code of the business you want to handle, which is very easy.

2. Send the specified code to 10086 to handle the corresponding business.

Turn on caller ID: send a short message KTZJXS to 10086.

Cancel caller ID: send short XZJXS to 10086 with the letter Q.