This service is available to all post-paid ZONE1511 subscribers under the 1511BIZ, 123FREE or 1511CHAT service plan.
If you are already a member, all you need to do is to send us a SMS to activate the 1511CALLBACK.
To activate: SMS callback<space>a to 81231511
However, if you are not our member yet, please register first using the following simple steps:
- Visit our homepage at: http://www.zonetel.com.sg and click on the "Sign Up" button.
- Select Business or Consumer
- Select your preferred promotion.
- Follow the on-screen instructions to register in 4 easy steps.