Add AI voice agents to your Voxbone (Bandwidth) phone line using OpenAI. Self-host SIP4AI, configure your credentials, and let AI handle calls in minutes.
Enterprise global DID provider with numbers in 65+ countries.
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
Now part of Bandwidth. Configure via Voxbone portal or Bandwidth dashboard.
# Set Voxbone (Bandwidth) credentials
export SIP_SERVER=voxbone.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 Voxbone (Bandwidth) and OpenAI configuration.
# Start SIP4AI with openai provider
sip4ai --provider openai
# SIP4AI will register with Voxbone (Bandwidth) 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.