'Mobile Muster' is an industry-funded free mobile phone recycling scheme managed by MRI.

From 1999 to Nov 2006, 402 tonnes of mobile phone handsets, batteries and accessories have been collected and recycled by MRI under contract to the Australian Mobile Telecommunications Association (AMTA).

This represents some 630,000 handsets, 1.68 million batteries and 210 tonnes of accessories.

More information here

What do Australians do with their old 'bricks'?

According to an AMTA survey conducted in January 2007:

•  52% of Australians keep their old mobile phones, working or not
•  23% give their old mobile phones to family or friends
•  5% are thrown out
•  4% of people have lost or had their mobile phone stolen
•  3% recycle them
•  4% said it was still in use
•  4% traded them
•  1% donated to charity