(+15 REP) Texting someone in Australia

[Recursion]

Just get something like pingchat, if you both have a smartphone and 3G in your contract. It'll be a lot cheaper!

By travelling I assume his brother is taking his UK SIM card to Aus, using data abroad, especially outside the EU, is a big nono.

[Mark]

By travelling I assume his brother is taking his UK SIM card to Aus, using data abroad, especially outside the EU, is a big nono.

He'd be saving money buying an AU sim with 3g