Spark has reported another big fall in profit, with reported net profit down 17.7 percent to $260 million - or a 33.6 percent fall to $227 million, adjusting for one-offs.

The telco also cut approximately 1300 full-time employees by the end of June, with many roles being eliminated or going to outsourcing and offshoring firms.

CEO Jolie Hodson says it's a tough economic market and the company has had to adjust to these changes.

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