Mobile broadband called home to check the line and made an appointment. Does Mobile have this service?

Mobile broadband provides on-site service:

First, after the failure of mobile broadband, we should call the broadband service phone in time;

Second, after receiving the customer's call for repair, Mobile will assign an engineer;

Third, engineers call in advance to make an appointment for broadband users;

4. In the scheduled time, the engineer will check the service in the future.