Optus CEO Kelly Bayer Rosmarin faces Senate grilling as Singtel denies it was to blame for outage

Optus claimed on its parent company's Singtel Internet Exchange was responsible, but Singtel says its upgrade was not the cause

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The Optus chief executive, Kelly Bayer Rosmarin, faces a grilling at a Senate hearing on Friday over the telco's handling of last week's 14-hour nationwide outage as both Optus and its parent company Singtel dispute who was to blame.

Bayer Rosmarin will be facing the Senate committee, chaired by the Greens communications spokesperson, Sarah Hanson-Young, over two hours on Friday morning in the inquiry launched shortly after the Optus outage last week.

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