Connect Kamailio
to OpenAI

Add AI voice agents to your Kamailio phone line using OpenAI. Self-host SIP4AI, configure your credentials, and let AI handle calls in minutes.

Kamailio

SIP Provider

High-performance SIP proxy for large-scale and carrier deployments.

Region: Self-Hosted

OpenAI

AI Provider

GPT-4o powered realtime conversations with advanced reasoning and function calling.

Realtime API Function Calling Server VAD GPT-4o Model

Setup Guide

1

Install SIP4AI

Download and install SIP4AI on your server or local machine.

# Install SIP4AI
curl -sSL https://sip4ai.com/install.sh | bash
2

Configure Kamailio

Route calls to SIP4AI via Kamailio routing logic. Use dispatcher or LCR modules.

# Set Kamailio credentials
export SIP_SERVER=kamailio.sip-provider.com
export SIP_USERNAME=your_username
export SIP_PASSWORD=your_password
3

Configure OpenAI

Requires OpenAI API key with Realtime API access.

# Set OpenAI API key
export OPENAI_API_KEY=your_api_key
4

Start SIP4AI

Run SIP4AI with your Kamailio and OpenAI configuration.

# Start SIP4AI with openai provider
sip4ai --provider openai

# SIP4AI will register with Kamailio and wait for calls
INFO Registering with SIP server...
INFO Connected to OpenAI API
INFO Ready to handle calls

Ready to connect
Kamailio to OpenAI?

Get started with SIP4AI today. Free for non-commercial use, affordable plans for businesses.

Other Kamailio integrations

Other OpenAI integrations