Connect Sinch
to Cartesia

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

Sinch

SIP Provider

Global cloud communications with strong presence in Europe and messaging.

Region: Global

Cartesia

AI Provider

Ultra-low latency voice AI optimized for real-time conversational applications.

Sub-100ms Latency Sonic Model Voice Cloning Streaming

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 Sinch

Set up Elastic SIP Trunking in the Sinch dashboard.

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

Configure Cartesia

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

# Set Cartesia API key
export CARTESIA_API_KEY=your_api_key
4

Start SIP4AI

Run SIP4AI with your Sinch and Cartesia configuration.

# Start SIP4AI with cartesia provider
sip4ai --provider cartesia

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

Ready to connect
Sinch to Cartesia?

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

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