Deflection Debt Ledger

Deflection Debt Ledger treats every autonomously resolved call as a loan against future support cost, not a one-time saving. A voice bot that closes 40-65% of inbound calls (Nectar Desk's published range) removes labor from this month's P&L, but the unresolved edge cases, misroutes, and repeat contacts accumulate as interest: clients absorb them as churn, escalations, or a backlog that surfaces two quarters later. Agencies selling AI call center retainers should price against the debt, not the deflection headline. Concretely, build a ledger per client that tracks repeat-contact rate within 30 days, escalation volume, and sentiment drift on transcribed calls, then report those alongside containment. The same discipline applies to agent-generated insight: fewer than half of agent outputs at surveyed organizations led to meaningful action, so unactioned summaries are another form of deferred cost. The framework forces delivery teams to quote oversight hours as a line item rather than absorbing them silently.