Once almost a synonym for ‘Open RAN,’ Mavenir was keen to point out that it makes quite a lot of money from core network upgrades, thank you very much. At MWC, in its usual spot, it unleashed a flurry of announcements – each one generally displacing a much larger rival. Bejoy Pankajakshan, Mavenir’s EVP Chief Technology & Strategy Officer, said “it was unfortunate that we got labeled as Open RAN. Around 85% of our revenue is in core services. We manage around 400 million voice subscribers, and another 3.5 billion messaging subscribers.” Some will recall Mavenir’s enthusiasm for Open RAN, in its outward marketing, and feel that some mild historical revisionism is at work, but it is certainly true that…