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Dual-tone multi-frequency (DTMF) for production voice AI

A voice agent can understand a menu perfectly and still fail when it presses a key. Dual-tone multi-frequency (DTMF) reliability depends on tone transport, timing, call state, carrier behavior, and proof that the interactive voice response (IVR) system accepted the input. Technical teams need an…

Dasha.AI TeamSeptember 29, 2026 · 11 minute read

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