Below are the requirements,
As a Prepaid customer, we advise that you have sufficient credits on your account. If you are visiting Australia, New Zealand, Fiji, Nauru, Samoa, Tonga and Vanuatu, you can purchase the Roaming bundles as shown in table below:
1. It is recommended that you be an active Prepaid Subscriber.
2. It is recommended that you have the appropriate handset:
The recommended handset should at least be a tri-band phone. i.e.
a) A Bandwidth of 1900 for roaming in USA + Canada.
b) A Bandwidth of 1800 for roaming in Europe.
c) A Bandwidth of 900 for roaming in PNG.