However, while global SIM cards like MaxRoam and Travel SIM are great value for voice calls, their rates for data usage overseas can fluctuate wildly. Many 'Travel SIM' type SIM cards promote the fact that they come with an Australian phone number, so people can call you while you're overses, and it won't cost the caller any more than a standard mobile call (and often won't cost you anything for the incoming call). Skype's per-minute charge to call an overseas mobile number: for example, USA 3c, Hong Kong 3c, China 3c, Singapore 3c, Indonesia 20c, Thailand 15c, etc.your Australian mobile telco's per-minute charge for diverting your mobile to an Australian landline number (usually just a standard call rate, included in 'cap' plans - but check with your telco).the cost of buying a SIM card overseas (see 'Where to buy prepaid SIM cards' below).You'll need to buy a SIM card at your destination for this trick to work. Put simply, you divert your Australian mobile number to a Skype number, which in turn diverts to your overseas mobile number.Īs a result, you avoid global roaming fees altogether. There's a golden trick that tech-savvy travellers have been using for years to avoid global roaming fees.

Skype international calls fees