Is Shanghai Mobile’s incoming call reminder free? How to activate it?

Not free. The call reminder service is a service for called users. It is the simplest missed call reminder solution launched at a low monthly rate of 3 yuan. It has the following characteristics: First, it is easy to activate. You can activate it by sending SMS LD to 10086 or dialing 10086. Second, it is simple to use. It does not require users to make any settings after activation. Third, it is cheap, with only a monthly function fee of 3 yuan. It It can bring more convenience and benefits to users. The incoming call reminder is a service for the called user. When the user cannot connect to the called phone due to factors such as shutting down the phone, out of battery, or no signal (excluding busy), the incoming call reminder system will wait until the user restarts the phone and receives a signal. , sending the call information (calling number, call time, number of calls) during this period to the called mobile phone in the form of short messages, so that the called user does not miss any incoming call during this period. The application methods are: 1. Send the text message "LD" to 10086; 2. Log in to the Shanghai Mobile website (www.sh.10086.cn) self-service, select business application, click on the call reminder, and select activation; 3. Dial 10086 and select manual Or self-service voice activation; 4. Go to the nearest mobile business hall to handle it.