| 1. |
Check your roaming service status and ensure that you have no outstanding payment in order to avoid service interruption while roaming. |
| 2. |
Check whether the country you are visiting supports Celcom 019 roaming service. |
| 3. |
Find out what the network frequency is in the country you intend to visit as roaming in different countries may require different GSM standard mobile phones. Please note the following:
| • |
Roaming in a GSM900/GSM1800 network requires the use of dual band mobile phones. |
| • |
Roaming in a GSM1900 network requires the use of tri-band mobile phones. |
| • |
Roaming in South Korea requires the use of a CDMA/GSM mobile phone. You can rent these phones whenever you roam to South Korea. |
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| 4. |
Make sure your mobile phone's Network Selection is set to 'Automatic' mode. This is to ensure that you will not have any problem staying connected. So when you're in a foreign country, just switch on your mobile phone and it will automatically search for a network, based on signal strength. For information on Network Selection setting, please refer to your mobile phone's manual as setting procedures of mobile phones differ from one to another. |
| 5. |
Please make sure that "Call Barring Outgoing" and "Call Barring Incoming" for international calls are not active so that you can make and receive international calls while roaming. All incoming calls answered will be billed at IDD rates. |
| 6. |
Don't forget to bring spare batteries, charger and travel adapter. |
| 7. |
Pre-programme your frequently dialled numbers on your mobile phone for convenience. |