이통사 ARPU 정체 심화…안심옵션·최적요금 압박에 수익성 '비상'

South Korea's telecom carriers face a revenue crisis as ARPU stagnation collides with regulatory mandates for QoS protections and rate plan transparency, forcing a fundamental business model shift toward AI and OTT bundling. This marks a critical transition point where traditional telecom pricing power erodes in favor of platform-based service monetization strategies.