How to complain about VoIP companies in Hong Kong?

First, what do you want to complain about?

Have you complained to the customer service department of this company?

If the complaint is fruitless, go directly to the complaint department of the newspaper for help.

Call the newspaper, and the newspaper complaints department will help follow up.

Under the pressure of the media, the telephone company will naturally give in.

You can complain to the Consumer Council, but it won't help you much.

Its main purpose is to remind the public that there are black shops.