"Unacceptable" errors led to Telstra triple zero bungle. 'Unacceptable' errors led to Telstra triple zero bungle By Australian Associated Press Published: 21:14 EDT, 26 March 2024 | Updated: 21:14 EDT, 26 March 2024 Telstra's boss has revealed a series of embarrassing failures, including incorrect emergency services numbers, that prevented Australians from speaking to triple zero call takers for more than an hour.