Seems to be scammers supposedly connected with QuantumAI. The other numbers they used, some of them multiple times, included (03) 7044 7067; (02) 4057 6378; (02) 4216 7620; (02) 4216 9273; (02) 8766 4941; 0485 842 406; (07) 3062 8864; (07) 4463 9269; (07) 5321 5885; (08) 5115 2570; (08) 5115 2575; (08) 5115 8503; (08) 5116 0509; (08) 5116 0510; (08) 5116 0511; (08) 5116 0526; (08) 5116 0537; (08) 5116 0540; (08) 5116 0546; (08) 6244 9882; (08) 6383 7280; (08) 9566 5427; (08) 9566 5433.