The binding constraint is value-capture rebundling: Five9 must prevent seat/usage pricing compression by charging for measurable outcomes and/or becoming the required policy+audit gateway for agentic interactions. If
AI agents bypass the contact-center UI (moving into first-party apps or suite workflows), Five9 can be disintermediated unless it controls routing, verification, logging, and billing surfaces. Reliability also remains a trust gate in mission-critical real-time communications.