Nokia claims successful interoperability testing of its base band distributed units (DUs) and centralized units (CUs) with Mavenir’s radio units (RUs) lays the ground for a multivendor Open RAN ecosystem for operators, and will encourage deployments. Mavenir’s reaction is more muted, merely posting the Nokia release on its website without adding any comment of its own. However, this most likely reflects Mavenir’s reluctance to be seen praising Nokia’s strengthening commitment to Open RAN, after having been a critic of its tardiness until quite recently. Until well into 2022 Mavenir had continued to bemoan Nokia’s slow progress on Open RAN, putting it in the same camp as Ericsson, and also for that matter Huawei, as probably the greatest Open RAN skeptic…