Optus has selected Nokia Siemens Networks 
Nokia Siemens Networks will also provide its Charge@once Mediate solution that will allow Optus to introduce new services without making any major changes to its charging and billing systems. Nokia Siemens Networks’ professional services including network planning, implementation and Care underpin the Evolved Packet Core deal. to address growing bandwidth requirements and offer new data services along with improving time to market.
“With the increasing use of data and smartphone applications, our Evolved Packet Core provides a springboard to operators such as Optus to launch new services,” added Kalevi Kostiainen, head of Australia and New Zealand at Nokia Siemens Networks. “Moreover, our platform is LTE ready and adds enormous capacity to data transport channels, allowing Optus Open Network to be flexible in responding to the market demands related to high capacity, using a robust platform.”http://www.nsn.com