Call Security

Call Security provides the necessary control and security to prevent unauthorized persons from making chargeable long distance calls. Only people with your authorized PIN can access long distance service.

HKT Fixed Line Services are provided by Hong Kong Telecommunications (HKT) Limited, subject to the relevant terms and conditions.

Service fee: Free of charge

Ordering and purchasing is simple and straightforward. You can place orders through various channels. Please select the one that is most convenient for you.

Visit AI Store (1O1O / csl shop)
Order by phone:
- 24-hour sales hotline 2888 0008

After the activation of Call Security, if customer would like to make chargeable long distance calls, you need to cancel the service first. After those calls, remember to activate the service to prevent unauthorized persons from making chargeable long distance calls.

To activate:

Lift Handset
Press [*][0][4]
Key in the password (4 digits)
Listen for the “Confirmation Tone”
Hang up

To cancel:

Lift Handset
Press [#][0][4]
Key in the password (4 digits)
Listen for the “Confirmation Tone”
Hang up