You can dial 100 10 to connect, press "0" for manual service, "5" for complaint suggestion, "1" for mobile service and "2" for loose service to switch to manual service.
Tip: Take Guangdong as an example.
Local extranet: Please press 0 for manual service;
Off-site: Please press 1 for Unicom users to transfer to local customer service, and press 0 for Guangdong Unicom manual service.