The heads of the nation’s three largest mobile phone companies have been ordered to Canberra to face Communications Minister Anika Wells and explain how they will avoid a Triple Zero outage during the coming bushfire season.

In a sign of the political pressure facing Wells and the government since the deaths of three people after 600 calls to the emergency phone system failed in mid-September, the heads of Telstra, Optus and TPG will face the minister on Tuesday.

Communications Minister Anika Wells has called in the heads of the nation’s largest phone companies. Credit: Sitthixay Ditthavong

Optus chief Stephen Rue, who faced Wells in a meeting last week, Telstra boss Vicki Brady and TPG head Inaki Berroeta will not only be questioned about preparations for summer but whether they wi

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