Stt

Discover insights, tips, and strategies for your career journey

Estimate Your AI Calling ROI

Stop guessing. Calculate exactly how many more leads you can generate and your expected savings when switching to Tough Tongue AI relative to other platforms.

Calculate Your Savings Now

May 26, 2026

How AI Calling Actually Works: The Complete Technical Guide (STT → LLM → TTS)

AI CallingTechnical ExplainerVoice AISTTLLMTTS

A deep technical walkthrough of how AI calling works: from the moment a prospect speaks to when the AI responds. Covers Voice Activity Detection, ASR pipelines, LLM inference, TTS synthesis, SIP telephony, and the latency chain that determines whether your AI sounds human or robotic.