It has been more than 80 days since Telstra and Optus flicked the switch on the 3G mobile network. Hundreds of regional and remote Australians say they can no longer rely on the network and struggle to make calls. It has been more than 80 days since Telstra and Optus flicked the switch on the 3G mobile network. Hundreds of regional and remote Australians say they can no longer rely on the network and struggle to make calls. Telecommunications Services Industry, Farmers, Mobile Phones, Mobile and Internet Access Latest business news