What if SMS reminder is enabled for missing words?

The application for missed call reminder through SMS business hall is as follows: 1. Introduction: Edit cxlhtx and send it to 1000 1, replying to the short message "Inquiry succeeded: China Telecom's missed call reminder service means that all missed calls will be sent at the first time after the customer turns on the phone or returns to the service area. 2. Opening: edit ktlhtx and send it to 1000 1, and reply with the short message "Add the second confirmation process: a. The system reply is successful: the missed message reminder service has been successfully opened, and the charge is 2 yuan/month. Enjoy your use. B. Failure system reply: Sorry, the acceptance failed, please refer to NO. 10000 for details. "3. Cancel: edit qxlhtx and send it to 1000 1, replying to the short message" Cancel successfully: China Telecom's missed message reminder service has been cancelled. Click on "official website" below for more services. Customer service 223 will answer your questions.