Medical Devices and Infrastructure at Stake in Telstra and Optus 3G Shutdown

Customers have had plenty of time to prepare, Telstra said.

Nokia products on display at the "Mobile Life" exhibition June 13, 2003 at Earls Court Exhibition Center in London. Bruno Vincent/Getty Images

Telstra and Optus have decided not to delay the shutdown of their 3G services, despite warnings of potential risks to critical infrastructure, medical equipment, and individual customers.

A Telstra spokesperson noted that people had been given five years’ warning of the change.