Telstra’s only two timing experts had been sent home to rest before network fell over

The pair had replaced a faulty power supply in Melbourne in the early hours of July 8 but were at home on mandatory rest by the time the outage hit, an external review has found.

The pair had replaced a faulty power supply in Melbourne in the early hours of July 8 but were at home on mandatory rest by the time the outage hit, an external review has found.

Sept 2 : Telstra CEO Vicki Brady said on Wednesday an external investigation found that a technical event in its network timing system caused the mobile outage that hit Australia's largest telecoms firm in early July.The findings add to scrutiny of Australia's telecoms sector after a series of high-profile disruptions,