The Voice Margin Window: Why Call Handling Is the Next Agency Retainer Line

Voice is the last high-volume client interaction still staffed by humans, which means the gap between what a call costs to answer and what a client will pay to have it answered is currently wide enough to fund a retainer. That window narrows as white-label deployment gets commoditized, so the agencies that win are the ones pricing against measured call samples and escalation accuracy now, not against feature lists.