How does Dongguan Number Pass send SMS telecom authentication?

Authentication of sending SMS to Dongguan number: users use the activated telecom mobile phone number, edit SMS smdj, user name, user ID number, address on user ID card and phone number to be registered, and send it to 1000 1 to complete the real-name registration system of mobile phone number. Registration method of business hall: users go to the local telecom business hall with their valid certificates, card purchase vouchers, network access agreements and other materials to consult the staff to operate the real-name registration system of mobile phone numbers.