Quick Start
Deploy your first AI voice agent in under 5 minutes
Build an Agent
Use the no-code wizard or visual workflow builder
Connect Your Phone System
Register AI agents as PBX extensions on 3CX, Yeastar, and more
API Reference
Trigger outbound calls and receive call data programmatically
What you can build
VoiceInfra handles the full voice AI stack — telephony, speech recognition, language models, text-to-speech, and real-time integrations — so you can focus on building agents that work for your business.Inbound Receptionists
Answer every call 24/7 with an AI agent that books appointments, answers FAQs, and transfers to the right team
Outbound Campaigns
Launch batch calling campaigns to thousands of contacts with personalized AI conversations
CRM Automation
Update Salesforce, HubSpot, or Zoho records in real time during live calls
Key capabilities
- PBX-native deployment — Register AI agents as extensions on 3CX, Yeastar, FreePBX, Avaya, Cisco, or Mitel. Zero hardware changes.
- No-code agent builder — Build production-ready agents with a guided wizard and industry templates. No prompt engineering required.
- Multi-LLM support — Run agents on OpenAI, Anthropic, Google Gemini, Groq, or Mistral. Switch anytime.
- Real-time actions — Book appointments, update CRM records, and trigger workflows during live calls via MCP or custom functions.
- Smart call transfers — Cold, warm, and attended warm transfers with human agent briefing.
- 30+ languages — Automatic language detection with multilingual support built in.
Get started
Create your account
Sign up at voiceinfra.ai — you get $10 in free credit, no card required.
Build your first agent
Use the no-code wizard to configure your agent’s identity, behavior, and knowledge base in minutes.
Connect a phone number
Import a Twilio or Telnyx number, provision a new SIP number, or register a PBX extension.