Joke Collection Website - Public benefit messages - What is the mobile full-time communication?

What is the mobile full-time communication?

When the phone is turned off or turned off, all incoming calls will be transferred to the full-time platform. When customers turn on their phones, they will receive calls within 24 hours and will not miss any calls. 3 yuan opens every month: send SMS QSTKT to 10086; cancel: send SMS QSTQX to 10086.