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This is Optus' network-management centre. After acquiring its carrier licence in 1991, Optus began operations on 31 January 1992. The company has now grown to have more than 9 million mobile services, 1 million broadband and fixed-line services, 280 stores and close to 10,000 employees.
After wholesaling on Telstra's analog network initially, in May 1993, Optus launched its own GSM network, claiming that the phone-call quality was "CD-like".