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5G Transport - A 2023 Heavy Reading Survey 2023 Open RAN Operator Survey Coherent Optics at 100G, 400G, and Beyond Open RAN Platforms and Architectures Operator Survey Cloud Native 5G Core Operator Survey Bridging the Digital Divide 5G Network Slicing Operator Survey Open, Automated & Programmable Transport The Journey to Cloud Native
To date, the only companies that have success stories with the softswitch architecture have stuck to Class 4 and internet offload or are doing small IP PBX solutions.
IP PBXs would have a feature set that is as fully featured and complex as any Class 5 office. I have seen such systems working on top of softswitches. I admit though that this requires the skill on a top class architect and implmentation team.