If you've worked anywhere near telecom systems integration, you've probably seen some version of that 80% number floating around in a vendor deck or case study. Worth being upfront about where it comes from before going further: it's not an industry-wide average, it's the kind of figure that shows up in specific before/after case studies where a CSP went from a custom point-to-point integration that took months to a standardized API integration that took weeks. TM Forum's own published figures a