The federal government will grill the bosses of Australia’s biggest telecommunications companies over the reliability of triple-zero services in the looming summer bushfire season, as Labor fast-tracks laws to protect the emergency call system.

On the back foot over Labor’s response to recent Optus triple-zero outages which have been linked to three deaths, the communications minister, Anika Wells, has ordered the chief executive of the company, as well as the chief executives of Telstra and TPG, the owner of Vodafone, to travel to Canberra on Tuesday to discuss safeguards for the system.

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Wells plans to press the companies on their legal obligations to protect community safety and procedures to avoid outages.

The government will introduce new legislati

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