GlossaryEN1 min readUpdated: Jun 22, 2026
inventory call-off system
An inventory call-off system is a contractual replenishment model in which the buyer triggers deliveries based on actual consumption or pre-agreed schedules rather than demand forecasts.
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Source: https://wirtschaftslexikon.gabler.de/definition/bestandsabrufsystem-40801
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Definition & Explanation
An inventory call-off system is a contractual replenishment model in which the buyer triggers deliveries based on actual consumption or pre-agreed schedules rather than demand forecasts. Call-offs are typically transmitted via EDI or a supplier portal; the supplier fulfils them within contractually fixed lead times. The buyer benefits from lower stockholding costs and reduced planning uncertainty, while the supplier gains stable, predictable order volumes. Unlike purely demand-driven pull systems such as Kanban, a call-off system is governed by formally agreed rules on quantities, intervals, and minimum volumes. The model is most prevalent in automotive and electronics supply chains.
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