Already a StarHub Mobile customer?
Sign up for OneSIM IndoSat at OUB Customer Service Center

With The OneSIM Indosat, you can now stay contactable on both your StarHub Postpaid Mobile number and an Indonesia mobile number from Indosat. All with just one mobile phone, regardless of whether you are in Singapore or Indonesia.
Even when you are back in Singapore, your family, friends or business associates can continue to call you on your Indonesian number^.
Save 20% on roaming charges
Enjoy a 20% discount off the prevailing roaming rates in Indonesia on StarHub Mobile with every outgoing and incoming voice calls received in Indonesia*
New to StarHub Mobile? Sign up for The OneSIM IndoSat at StarHub Shop at OUB Centre
Note:
The OneSIM Indosat service comes with monthly subscription plus a one-time activation charge.
| The OneSIM Indosat Rates | |
|---|---|
| One-time activation fee for The OneSIM Indosat | Monthly subscription |
| $10 | $5 |
| Types of Calls | Savings |
|---|---|
| Outgoing Voice Call from Indonesia (Indosat): | |
| Call Singapore | 20% off prevailing rate for “Call Singapore” using “+” prefix |
| Call Local | 20% off prevailing rate for “Call Local” using “+” prefix |
| Call International | 20% off prevailing rate for “Call International” using “+” prefix |
| Incoming Voice Call: | Incoming Voice Call: |
| On StarHub Mobile number when in Indonesia | 20% off prevailing rate for receiving incoming call in Indonesia |
| Exclusive Feature | |
| On Indosat mobile number when in Indonesia | 20% off prevailing rate for receiving incoming call in Indonesia |
| Note: A Call Forwarding charge of $1.20/min will be charged for calls made to the Indosat mobile number | |
For more information on prevailing rates for making voice calls in Indonesia using “+” prefix and receiving voice calls in Indonesia. |
|
Number Display
| In StarHub network | – StarHub Mobile number |
| In Indosat network | – Indosat mobile number |
| In other network | – StarHub Mobile number |
Other Roaming Services/ Features
| Roaming Services / Features | Supportability | Remarks |
|---|---|---|
| Missed Call Alerts | StarHub Mobile number Yes Indosat mobile number No |
|
| GlobalRoam *108* | Yes |
Note: User will not enjoy 20% off prevailing rate if he/she initiates an outgoing call using GlobalRoam *108* in Indonesia. The 20% discount is only applicable for outgoing calls made using “+” prefix and also incoming calls received. |
Note: Your number will not appear if you subscribe to Caller Number Non Display service.
Receiving Calls on your Indosat Number
By default, you will receive calls on your Indosat mobile number in both StarHub and Indosat network. If you wish to receive calls on your Indosat mobile number in other networks (e.g. in other countries), please contact our Customer Care Consultant at 1633.
Unsubscribing The OneSIM Indosat Service
Once you have unsubscribed the service, you will lose ownership of the Indosat mobile number. Should you decide to reactivate the service at a later date, a NEW Indosat mobile number will be assigned to you. Reactivation service fee applies.
Changing SMS Service Setting After Unsubscribing The OneSIM Indosat
Please note that you will have to restore the SMS-c address setting (i.e. SMS service settings) from +65 9854 0045 back to +65 9854 0020 after your request to unsubscribe to The OneSIM Indosat service. This is to ensure that you can continue to send out your SMS the next time you roam into Indosat network in Indonesia.
To change the SMS-c, please access the StarHub Menu from your phone menu for the feature to perform this change.