What is the function of reminding Guangdong mobile phones to leave messages and miss messages?

Guangdong mobile phone message missing message reminding function means that when the user's mobile phone is turned off, there is no signal and other abnormal States, all incoming calls will be transferred to the mobile phone message platform, and the mobile phone message system will answer the user's incoming calls. At this time, the caller will hear the system voice prompt: "Hello! The subscriber you dialed has already started SMS service. We will inform the owner of your phone information by SMS. Thank you for calling! " When the user's mobile phone status returns to normal, a short message will be sent under the mobile phone message platform to remind the user of missed calls.