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Features: Callback Services (Worldwide SMS Callback / China Callback)

While you are traveling and you wish to make IDD calls, request our system to call you back and connect you to any overseas number. With a fraction of IDD roaming fee, no hassle to look for phone products in your limited traveling time – this special service is definitely an ideal choice for frequent travelers.

Once activated, user can initiate a call by using SMS (“Worldwide SMS Callback”) or Callback (“China Callback”) service from the registered number to any countries.

Set up Callback service by calling VAS Hotline 8102 1222 / at our website:

Enter 12-digit Calling Card number
Press 7 for China Callback / Worldwide SMS Callback
Press 1 to enter the overseas phone number that you will use during your trip
Enter overseas destination phone number (Country Code + Area Code + Phone Number + #) Eg. 8613912345678#
Press 1 to confirm
(You can register more than 1 overseas phone numbers for the Callback service)

Worldwide SMS Callback

While overseas, send a SMS to +852 6131 1852 in the following format. Within 10 seconds, our system will call you back and connect you to destination.
  • P
  • 12-digit calling card number
  • phone number you wish to call
If your calling card number is 123456 789012 and you wish to call +852 99992222, the SMS will look like this:
  • P123456789012,85299992222

China Callback

When in China, call our system at 00 852 5127 5182 or 00 852 6131 1789. Hang up the phone after the first ring tone.

Our system will call you back within 10 seconds to prompt you to input the destination phone number.

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