Real-time voice translation (PSTN + WebRTC)

Every Phone Call,
Translated in Real-Time.

Callo provides low-latency translation for real conversations—using LiveKit for WebRTC, VM-edge for PSTN, and a GPU translation engine for ASR/NMT/TTS.

Dashboard Preview

Enterprise Grade AI Stack

Designed for reliability and predictable latency.

Low Latency

Streaming ASR/NMT/TTS optimized for real calls.

Multilingual

Capabilities-driven language coverage in the engine.

Operational Control

Monitor and steer calls from a single dashboard.

Developers

Embed Callo on your site with a single script tag. Configure allowed domains and widget settings from the dashboard.

1. Create a widget

Go to Widgets, create a widget, and copy the embed code.

2. Paste embed code

Add this to your website (the widget ID is your key):

<script src="https://widget.callo.center/embed.js" data-widget-id="wdg_..." defer></script>