Why can't the Interpol Brigade of Baiyun Branch of Guangzhou Public Security Bureau get through?

Because the people who call the Interpol Brigade, the staff of the police force will make a detailed record of their telephone contents, and the time will be lengthened, so the telephone line will be busy and there will be a phenomenon that they can't get through.

Guangzhou, referred to as Yangcheng and Huacheng for short, is the capital of Guangdong Province, a sub-provincial city, a national central city, a megacity, an international metropolis, an international business center, an international comprehensive transportation hub, a national comprehensive gateway city, the first batch of coastal open cities, and the seat of the Southern Theater Command.