If you are unable to use this service while roaming in a particular network, you may want to switch to another network and try again. Some overseas networks do not support the service because of technical constraints. The list of supported operators can be found on the SingTel website at http://home.singtel.com/consumer/products/mobile/globaldial/globaldial_list.asp. Alternatively, please call 1626 for additional information. Yes, you can dial any number in Singapore.

GlobalDial 121 is a callback service. When you are roaming, just dial the *121* string, followed by the country code and the telephone number, and the # key. For example, should you wish to call the number 6123 4567 in Singapore, just dial the following sequence: This message will be routed to SingTel, and we will call you back within 10 seconds.

If you use IDD from overseas to call Singapore, you will pay the IDD rates of the overseas operator, plus roaming surcharge. These rates are typically quite expensive. However, using GlobalDial 121 to call Singapore will give you an opportunity to reduce your bills. There is no expensive roaming markup charges to be paid, and you will pay SingTel Mobile GlobalDial 121 rates, which are usually cheaper than the rates levied by the roaming partners.

To use ICC, you need to be an ICC card subscriber. This is not necessary for GlobalDial 121. You also need not register for GlobalDial 121 in order to use the service as it is given free to all AutoRoam customers and Pay-As-U-Roam customers. You can only use ICC in certain countries, whereas you can use GlobalDial 121 in all of SingTel's roaming destinations (subject to the operators supporting GlobalDial 121).

No. Our system will send you an SMS notifying that your call forwarding is activated. You would have to switch off call forwarding on your mobile phone before you use GlobalDial 121.

Free to all SingTel Mobile AutoRoam customers and Pay-As-U-Roam customers ? no additional registration or subscription charges! Rates savings is depending on roaming destination/foreign operator's local airtime charges. Rates are subject to change without prior notice by the foreign operator.

No. GlobalDial 121 is available free of charge for all AutoRoam customers and Pay-As-U-Roam customers. Note: Registration for AutoRoam is S$20, and registered customers pay a monthly subscription of S$10.

and then press SEND. For more information, please click here to go to the GlobalDial 121 User Guide. Please note that the support of this service is dependent on overseas operators. Please click here to see the list of foreign operators that support this service.

No. Once you send the GlobalDial 121 code, your call will automatically be disconnected and your phone will return to ready mode so that you can make or receive calls as per normal. You do not have to hang up the phone.

You will be charged SingTel Mobile GlobalDial 121 rates from Singapore to United Kingdom at S$0.59/min plus a flat zone rate to Hong Kong at S$0.60. Therefore, the total charges of making a call using GlobalDial 121 from United Kingdom to Hong Kong is S$1.19 per minute. You will be charged SingTel Mobile GlobalDial 121 rates from Singapore to United Kingdom at S$0.59/min plus a flat zone rate to Hong Kong at S$0.60 plus 20% surcharge.

Easy to remember ? *121# to re-dial the last number or *121*0# to re-dial any of your last few called numbers.

You will be able to access these services while roaming only if your mobile service provider in the roaming circle has partnered with sms5050.com

No. Some overseas networks do not support the service because of technical constraints. Please refer to http://home.singtel.com/consumer/products/mobile/globaldial/globaldial_list.asp for the list of operators that support Prepaid Roaming.

Dial *131*, followed by the (country code) e.g. 65 for Singapore and the telephone number of person you wish to contact, For example, should you wish to call the number 61234567 in Singapore, just dial the following sequence: *131*6561234567#And then press 'SEND' This message will be routed back to SingTel, and we will call you back within 10 seconds.

Yes. This service is supported by Maxis GPRS roaming partners. Please click here to view the complete list, or walk into any of our Maxis Customer Service Centres. Yes. You are required to subscribe for International Roaming services and activate GPRS before you leave the country in order to access your emails while overseas. If you already had a BES service, you would automatically be given the BlackBerry Internet Service.

Hi, I am overseas now & my hi!Card balance is low. Please help me top up $15 to my hi!Card 91234567 by calling 1900-9141488 on your home line. Thank you."

You will get to view the same IDEAS content/services when you access WAP in Australia. In order to access IDEAS while roaming, you should not make changes to the WAP homepage URL(which is the IDEAS homepage by default) in your WAP Profile settings.

BlackBerry roaming will depend on the country you are interested in. Check whether you can get data roaming.

Domestic roaming is available to all existing and new DiGi postpaid customers. The service will be available to DiGi Prepaid customers in the near future.