Remarks:
*This offer is not applicable to calls to selected telephone number prefixes, charges will be depends on calling methods of mobile telephone number. For further information on specific telephone number prefixes in individual destinations, please click here.

• No registration is required, MySim users can make IDD calls instantly. IDD call unit will be charged on a six-second basis.
• The above information is subject to change without prior notice.
• For IDD rates of other destinations, please contact CMHK Live CHAT.
• IDD call charges will apply once a call is answered (even if the call is answered by any automatic answering systems including announcement, tone machine, etc).
• In some circumstances, IDD call charges may still apply to the ringing time due to special call routing design of third party service providers in the event if a call is not answered.
• When using the Call Waiting and Call Hold feature and the Conference Call feature, IDD charge is applicable on IDD calls.