Can I use 1511PREMIUM service plan when I am overseas?

ZONE Telecom > Business > 1511PREMIUM
1511PREMIUM service plan is available only for outgoing international calls from a Singapore registered telephone or mobile phone number. Calls must be made from Singapore to another overseas destination.
If you would like to make a call from overseas to Singapore or any parts of the world, you may click here to check on our GlobalDial service feature.