Voice AI Glossary: Terms Buyers Meet in Vendor Calls
Plain definitions of the voice AI terms that vendors use: latency, barge-in, turn detection, STT and ASR, TTS, speech-to-speech, SIP trunking, warm transfer, concurrency, BAA and more.
Updated
Vendors use many technical terms. This glossary explains them in plain words. Terms are in alphabetical order. Prices in examples are from public pages on 2026-10-29 and can change.