SingTel Optus is Australia's second-largest telecommunications company, and is a subsidiary of Singapore Telecommunications.
Articles about Optus
Telstra is seeking a court injunction against Optus for ads claiming that the SingTel company's network is close to the same size as Telstra's mobile network.
What do you do with a company you bought for the spectrum that still has customers wanting to use the service?
Optus will begin tests of the 4G network in the 700MHz and 2.5GHz spectrum bands in Sydney soon using yet-to-be-released handsets from HTC and Samsung.
Optus has secured a five-year AU$30 million contract to provide managed IT and mobile services for engineering company UGL.
IT services company Melbourne IT has announced that it has recruited Optus' managing director of Fixed as the company's new CEO.
Optus combined four 20MHz spectrum bands on its TD-LTE network in a test in Western Sydney that saw the network achieve speeds of over 500Mbps.
The switchoff of analogue TV has been long coming — but with digital spectrum awash in home-shopping channels and the 'digital dividend' falling short of mobile expectations, is it really the success we were led to believe it would be?
Optus has confirmed it is also testing out technology that would allow customers to make voice calls over its 4G network.
Telstra has confirmed it is conducting lab tests of technology that would allow voice calls to be carried over its 4G LTE network.
As part of a push back into the wireless broadband market, Optus is planning a trial of fixed 4G broadband services that could replace ADSL2.
Despite the continuing exodus of customers from rival Vodafone, Optus too is experiencing a drop in the number of mobile customers on its network.
Telstra has argued that competition for telecommunications services for government and corporations is strong enough without the need for further regulation.
The TIO fielded 25 percent fewer complaints about Vodafone in the 2012-13 financial year, but the troubled telco still got more complaints than Telstra and Optus put together.
Tiny Kogan Mobile generated over 800 Telecommunications Industry Ombudsman (TIO) complaints but mobile-related overall declined by 25% in 2012-13, "cautiously optimistic" ombudsman reveals.
Telecommunications customers complained about problems with their landline Internet services at an increasing rate during 2012-2013, new TIO statistics reveal, while NBN complaints were few and far between.