Went to sort out my phone new sat phone on friday and was informed that there is only 1 week left were the Australian government will pay 50% of the hardware (phone and arial). the subsidy is coming to an end after over 5 years as of the end of the month.
the condition of subsidy are:

90days in remote area in the next 24 months were there is no mobile phone service.

You need to apply for this by the end of march 2014

Purchase the hardware by the end of june and then the Australian government will reimburse you for 50% of the cost.

And off-course live in Australia