Scaling AI Calling: Concurrency Limits at 10,000 Calls
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Concurrency, not daily volume, is the binding constraint. Ten thousand dial attempts a day, at an assumed 67.5 seconds of line time per attempt across an 11-hour window, needs about 17 lines on average and roughly 34 at an assumed 2× peak. Vapi includes 10 concurrent call slots by default and Retel…
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- 2026-09-02 04:50 · DEV Community — Machine Learning
Scaling AI Calling: Concurrency Limits at 10,000 Calls