When using dial-up service:
  • Make sure your IDD barring security is activated when accessing Internet through the telephone line.
  • The same applies to computers connected via broadband and a telephone line. This is to avoid entering a website where international calls and charges may be incurred.
  • Always check and clean up useless emails and monitor your email box storage capacity to avoid over-storage.
  • Always clear garbage bin to avoid over-storage.


Getting optimum service performance:
  • Check with your service provider regarding the provided downstream/upstream as the speed may be affected by the traffic of Internet/destination website/remote server/configuration of computer.
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Disclaimer: The information in this section is compiled by the Communications Association of Hong Kong (CAHK) and is provided for reference only.
CAHK is not liable for any errors or omissions in the information provided.