US communication giant AT&T has completed its first Open RAN call using third-party radios over its commercial network, pushing forward the evolution of wireless networks towards open architectures.
AT&T first announced its plan to modernize its wireless network almost two years ago as part of a $14bn deal with Ericsson, described as "industry-defining" and a "pivotal milestone" for the Open RAN industry.
AT&T has made a significant step towards open architectures with this milestone.
Author's summary: AT&T achieves Open RAN call milestone with third-party radios.