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FAQ | International Roaming
IDD 1526
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General

What is International Roaming service?
How do I sign up the service?
Is there any registration or monthly subscription to this service?
How does the service work?
How do I configure and update my overseas number?
What do I need to do before leaving Singapore?
What do I do when I return back to Singapore?
How am I being charged for the calls?
Would there be overseas local air-time charges when using this service?
Will I still be able to receive SMS?


What is International Roaming service?
International Roaming is a Mobile Call Forwarding service that allows you to receive mobile calls while roaming to overseas. This will help to reduce expensive roaming charges up to 80%. [back to top]

How do I sign up the service?
1)   For consumer customer, you can sign up Roam&Call on-line to use the service.
2)   For business customer, you may download the application form here or call customer service hotline at 6838 1526 for any assistance.
* Please read the terms & conditions before subscribing to our service.. [back to top]

Is there any registration fee or monthly subscription to this service?
There is no registration fee but there will be a monthly subscription fee of $2.00 per Virtual Number. [back to top]

How does the service work?
Upon activation of your International Roaming Service account, you will be given a number called Virtual Number. Divert all calls to the Virtual Number to activate the service before your departure from Singapore. When someone calls you on your Singapore Mobile number, all calls will be call forwarded to the overseas number through the Virtual Number. Please refer to our demo page on the details for using the service. [back to top]

How do I configure and update my overseas number?
You can log in to our website with the account number and password provided when signing for the service.
1)   Select International Roaming Service.
2)   Enter your Virtual Number.
3)   Click on “Change” and enter the new overseas number. You choose to make the changes immediate or at other scheduled date.

Alternatively, you can update and change of Overseas Mobile or Fixed Line Number by sending a SMS.
1)   SMS with the text content 'IR VirtualNumber # OverseasNumber' and send to +65 9229 5935. (Example:IR61234567#6012xxxxxxxx)
2)   You will receive a SMS notification when the change of new overseas number taken place.
[back to top]

What do I need to do before leaving Singapore?
You will need to divert all voice call to virtual number by entering **21*Virtual Number# and press the call button on your Singapore mobile before departure from Singapore. Alternatively, use the call setting function on your mobile phone. [back to top]

What should I do when I return to Singapore?
Cancel all divert calls by entering #21# and press the call button on your Singapore mobile phone. Alternatively, cancel the divert using the call setting function on your mobile phone. [back to top]

How am I being charged for the calls?
You will be charged for the calls that are connected successfully to the overseas number. We will not charge you if the call is engaged or failed to be connected. However, if the call reached the overseas voice mail or announcement service, there may be charges incurred. (Please refer to here for call charges to different countries.) [back to top]

Would there be overseas local call or air-time charges when using this service?
Most of the fixed line number's incoming calls are free. If the overseas number is a mobile number, it may depend on the overseas mobile operator and the call plan of the mobile number. [back to top]

Will I still be able to receive SMS?
Yes, SMS will be receivable on your Singapore Mobile number as calls diverting is only on Voice Call. [back to top]
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