On December 5th, Nokia announced that it had learned that AT&T would collaborate with Ericsson to deploy an open RAN. Nokia responded that mobile network revenue from AT&T is expected to decrease in the next 2-3 years; T plans to collaborate with other suppliers to deploy an open RAN within the next five years. Therefore, Nokia currently expects that in the next 2-3 years, the mobile network sector will come from AT& T's income will decrease. From 2023 to present, AT& T accounts for 5% -8% of Nokia's net mobile network sales. Nokia has announced cost cutting actions and is expected to partially alleviate AT& The impact of T decision. Previously, Ericsson announced that it was partnering with American telecommunications operator AT& T cooperation has reached a 5-year network transformation and digital strategy agreement worth approximately $14 billion.