From Website:
PennyTel's 10 million FREE minutes offer is back!
That's right. Make FREE calls to:
Australia^, Canada, China, Hong Kong, India, New Zealand^, Singapore, the UK^ and the USA; anytime between 20th December 2012 and 20th January 2013.
What’s more – you can call using a number of methods, including:
(1) Mobile Phone (with an App)
(2) Home Phone (with an ATA)
(3) Softphone (on your computer)
(4) Callback
(5) IP Phone
Edit (thanks stubatman): ^Excluding calls to mobiles
To find your pennytel VoIP password, login to pennytel portal @ https://www.pennytel.com.au/ using the username and password from your email. click "Personal VoIP" in the left sidebar, activate "Settings" tab then "VoIP Settings" sub-tab, then click the + icon near "SIP Settings" in the right column. You need to find the password which for some reason is different from what you have received from Pennytel. Change the password to what you have received on your email and click save. Credit: budhus/gunny
I took up the offer, so how do you know its active on the account?