Who should use 1511CALLBACK service?

ZONE Telecom > Business > 1511CALLBACK

1511CALLBACK service is suitable for M1, Singtel or Starhub mobile users. It is most ideal when you have free incoming call subscription or when you have used up your free outgoing airtime minutes or when free outgoing airtime is not applicable during specific hours of the day. With 1511CALLBACK service, you can even downgrade your mobile plan to a lower price plan.

1511CALLBACK service is not relevant to users who use landline or do not have free incoming call mobile plan.