Pressure Grows on SingTel as Optus Emergency Blunders Mount

As Optus reels from another emergency call outage, the crisis has spread beyond Australia’s borders. The escalating reputational damage to the nation’s second-largest phone company is now bearing down on its parent Singapore Telecommunications Ltd.

The failure on Saturday impacted some 4,500 people in Dapto, south of Sydney — less than two weeks after a far graver Sept. 18 incident that disrupted so-called Triple Zero services nationwide and was linked to the death of four people.