VICIdial Auto-Dial Level Tuning by Campaign Type

The auto_dial_level setting is the single most impactful parameter in VICIdial for outbound campaigns. Set it too low and your agents sit idle, burning payroll while waiting for calls. Set it too high and you drop calls, violating FTC regulations and burning through your list. The right level depends on your campaign type, list quality, agent count, and connect rate — and it changes throughout the day. This guide covers how auto_dial_level interacts with VICIdial's pacing system, provides specific tuning recommendations for different campaign verticals, and lays out a testing methodology to find your sweet spot. How auto_dial_level Interacts with Pacing Modes VICIdial supports several dialing modes, and auto_dial_level behaves differently in each. Ratio Dialing (Manual Dial Level) When dial_method is set to RATIO , the auto_dial_level is a fixed multiplier. A level of 3.0 means the system dials 3 lines for every agent in READY or INCALL status. This is the simplest mode but also the cr