In Reply to: Can simpati sim cards posted by bali_baby_yeah on Sunday, 10. June 2012 at 11:42 Bali Time:
When back in oz, simpati are linked (roaming) to Optus, although the price would be more than normal, you could send an SMS to your Home mobile number on the Simpati card once within every three months and that should keep it "alive".
Cheers
S