How much is the missed message reminder function?

Mind you, the monthly rent is 2 yuan/month. There is no charge for the user number to receive the SMS reminder of missed calls, and the callback is charged according to the basic call fee standard. "Missed call reminder" service is a short message reminder service provided by China Telecom for Tianyi mobile phone users who have not opened personal communication assistant service. When the user is turned off, out of service area, missed the phone or the phone is busy, missed the incoming call, the system automatically sends a short message to remind the user of the incoming call information. It is suitable for China Telecom Tianyi mobile phone users who have not opened the personal communication assistant service (personal communication assistant has included the function of reminding missing messages). Missing call reminder, call waiting, call forwarding and telephone resonance cannot be applied at the same time. You can send "ktlhtx" to 1000 1 to order missed information reminders, and "qxlhtx" to 1000 1 to unsubscribe missed information reminders. You can also handle the missed call reminder service through SMS business hall, PDA business hall, online business hall, 10000 and business hall. Guizhou users pay attention to China Telecom's customer service in Guizhou. The official account of WeChat can be paid by WeChat, and the phone bill can be recharged with one click. Traffic, points, bills and detailed bills can be operated by themselves, which is convenient and fast. Customer service 233 will answer your questions.