Optus announces completion of voice call over a standalone 5G network

28 May 2021

Australian mobile network operator (MNO) Optus has announced that, in collaboration with Swedish vendor Ericsson and China’s OPPO, it has successfully carried out a voice call over a commercial 5G standalone (SA) network. In a press release regarding the matter, the MNO said the call had been conducted on its network using Evolved Packet System Fallback (EPS-FB), which utilised Ericsson Radio Access Network (RAN) technology, Ericsson cloud native dual-mode 5G Core for standalone networks, Ericsson Cloud IMS and Oppo’s Find X3 Pro 5G handset.

Commenting, Lambo Kanagaratnam, Optus Managing Director Networks, said: ‘The success of this technology milestone is a leap towards full deployment of Optus’ 5G standalone architecture nationwide, and we are already working on enabling 5G standalone voice calls using Voice over New Radio … As we evolve our network, 5G standalone will enable future opportunities, including on-premise 5G and end-to-end network slicing allowing personalisation and control for our customers.’

Australia, Ericsson, Optus, Optus Mobile