AT&T revealed new details about its 5G Standalone (SA) deployment, though not the date for live commercial deployment. Speaking at last week’s Brooklyn 6G Summit, hosted by New York University’s NYU Wireless outfit and Nokia, the US operator said it was still in the testing phase of 5G SA. Andre Fuetsch, CTO of AT&T Services, said that the operator is currently testing cloud-native 5G core functions and network slicing but there was no deadline given, even though AT&T had previously said – a year ago – that it would fully deploy its 5G core in early 2021. This puts it further behind T-Mobile USA in terms of 5G SA timelines, though Verizon is likely to be in a similar position.…