Voice AI
What Is Voice AI?
Voice AI is software that understands spoken human language and responds with natural-sounding speech — enabling businesses to automate phone calls, customer support, appointment booking, and lead qualification without human operators.
How Voice AI Works (The Tech Stack)
1
Telephony(Twilio, Vonage)
Routes incoming/outgoing calls to the AI
2
Speech-to-Text (ASR)(Deepgram, Whisper)
Converts caller's speech to text
3
AI Brain (LLM)(GPT-4, Llama)
Understands intent and generates response
4
Text-to-Speech (TTS)(ElevenLabs, OpenAI TTS)
Converts AI response back to speech
5
Automation(n8n, Zapier)
Triggers CRM updates, SMS, bookings
Business Use Cases for Voice AI
24/7 phone answering — no missed calls
Appointment booking via voice
Lead qualification during calls
Outbound reminder campaigns
Missed-call recovery automation
Customer support IVR replacement
Insurance lead intake calls
Healthcare appointment scheduling
Build a Voice AI System for Your Business
Web Axis Solutions designs and deploys custom Voice AI call systems using OpenAI, ElevenLabs, and Twilio.
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