Connect 3CX
to Cartesia

Download and install SIP4AI on your server or local machine.

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

Add SIP4AI as a SIP Trunk or Extension in the 3CX Management Console.

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

Requires Cartesia API key. Best-in-class latency for voice apps.

# Set Cartesia API key
export CARTESIA_API_KEY=your_api_key

Run SIP4AI with your 3CX and Cartesia configuration.

# Start SIP4AI with cartesia provider
sip4ai --provider cartesia

# SIP4AI will register with 3CX and wait for calls
INFO Registering with SIP server...
INFO Connected to Cartesia API
INFO Ready to handle calls