Caller: Claimed to be Telstra

Called first on 0498 228 093 but hung up after 4 rings. Then called back later on 0498 228 093. Woman, Indian or similar accent said she was from Telstra. When asked what department, said Telstra Technical. When asked why the Telstra technical department was calling me, she hung up. Strange thing is that when I called back both numbers, recorded messages said that the numbers were not connected.