Voice AI Blog — Call Center AI Insights & Guides

Why Native PBX Integration Beats SIP Trunking for Enterprise Voice AI: A Technical Comparison

Deploying enterprise Voice AI requires evaluating two primary transport and control architectures: SIP Trunking (Middleware) and Native PBX Integration. While SIP trunking remains a common legacy approach for offloading calls to third-party cloud engines, it introduces structural latency, compliance friction, and recurring per-minute transit costs.