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The nation's number two telco, Optus, has defended its investment in Tasmania after the revelation that a number of the sites that it announced on the weekend that will shortly receive 3G mobile ...

Optus has launched its push to talk mobile service for Australian consumers. Aiming squarely at the youth market, the service will cost 95c a day for casual use or AU$14.95 per month on a plan. The ...

Optus is offering more data and up to $450 credit to entice new customers to upgrade their smartphone on the Optus network, while existing customers are also being offered credit for a trade-in.

Optus says an issue is affecting mobile services for some customers, who are seeing "no service" or "SOS" on their devices.