How to send SMS to start the boot reminder?

Dear Tianyi customers, the power-on reminder service is a voice value-added service for calling users, that is, in the process of a voice call failure (the called user is turned off or out of service area, and the telephone number of the fixed-line user is temporarily out of service area), the power-on information of the called user or the fixed-line user is in service area is provided to the calling users who subscribe to this service. You can write a short message "KTKJTX" on your mobile phone. Thank you for your use. Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log in to Guangdong Telecom Mobile Mall () to seek help from online customer service, which is available 7X24 hours a day!