Add AI voice agents to your SignalWire phone line using OpenAI. Self-host SIP4AI, configure your credentials, and let AI handle calls in minutes.
Built by FreeSWITCH creators, offering flexible SIP and programmable communications.
GPT-4o powered realtime conversations with advanced reasoning and function calling.
Download and install SIP4AI on your server or local machine.
# Install SIP4AI
curl -sSL https://sip4ai.com/install.sh | bash
Create a SIP Endpoint in your SignalWire Space. Supports both registration and IP auth.
# Set SignalWire credentials
export SIP_SERVER=signalwire.sip-provider.com
export SIP_USERNAME=your_username
export SIP_PASSWORD=your_password
Requires OpenAI API key with Realtime API access.
# Set OpenAI API key
export OPENAI_API_KEY=your_api_key
Run SIP4AI with your SignalWire and OpenAI configuration.
# Start SIP4AI with openai provider
sip4ai --provider openai
# SIP4AI will register with SignalWire and wait for calls
INFO Registering with SIP server...
INFO Connected to OpenAI API
INFO Ready to handle calls
Get started with SIP4AI today. Free for non-commercial use, affordable plans for businesses.