I am sorry but the this policy is not applied for Optus prepaid which is very widely bought by Vietnamese student.
Optus: "Sorry. The Mobile service you're using does not qualify for any of the below services."
It is apply for Optus prepaid but only works whenever you top up your account duỉng the promotion time (not anytime!!! e.i you recharged a month ago)
Check it out at the term and condition below which is quoted form optus comp.:
Optus reserves the right to withhold the special promotion from any customer using Optus Pre-Paid Mobile in a manner deemed unreasonable or excessive by Optus. Optus Fair Go™ Policy applies.
TurboCharge: Maximum of $500 can be accumulated. Call credits expire within 30 days.
Offer not available on $10 or $100 recharge. [/color]
. Bigger & Better Free Calls: For calls from one Optus Pre-Paid to another within Australia. You will receive 100 minutes for starters and more every time you recharge. Not available on $10 recharge. Maximum 2000 minutes may be accumulated. Free call minutes and recharge credit expire within 60 days. By choosing Bigger & Better Free Calls you are also entitled to receive MyTime. Offer expires 31/03/07 unless withdrawn earlier. Free Chat & Text: Free calls and text to any Mobile network within Australia. Free Chat & Text is a special promotion valid until 31/03/07 unless withdrawn earlier. You receive 50 free call minutes for starters, plus 50 free text and more every time you recharge. Maximum 1000 minutes and 1000 text may be accumulated. Not available on $10 recharge. Free call minutes, text and recharge credit expire within 60 days. By choosing Free Chat & Text you are also entitled to receive MyTime. Offer expires 31/03/07 unless withdrawn earlier. Every Now & Then: Credit expires within 186 days. By choosing Every Now & Then you are also entitled to receive MyTime. Offer expires 31/03/07 unless withdrawn earlier.MyTime:
To receive the MyTime offer, you must register up to five numbers from Optus GSM Mobile service or Optus Fixed Line service when you connect to Optus Pre-Paid Mobile, or when you change your existing Optus Pre-Paid rate plan, to one of the “Bigger & Better Free Calls”, “Free Chat & Text” or “Every Now & Then” offers (“Calling Offers”). Receive 100 minutes when you connect to the Optus Pre-Paid Service on one of the Calling Offers and more every time you recharge. Offer expires 30/09/06 unless withdrawn earlier.