Talk to Claude on 3CX Phone System Tutorial (Full Setup)
This video demonstrates how to set up a phone system using 3CX and integrate it with Claude for voice-based interactions. It covers deploying a cloud-based phone system, configuring a Raspberry Pi as a voice server, and
Talk to Claude on 3CX Phone System Tutorial (Full Setup)
Source: Talk to Claude on 3CX Phone System Tutorial (Full Setup) — NetworkChuck (2) (https://www.youtube.com/watch?v=EIhAelYTna8) · published 2026-02-13
Speaker(s): Not stated
Relevant to: BexarByte, Agentic OS, Cross-business
TL;DR
This video demonstrates how to set up a phone system using 3CX and integrate it with Claude for voice-based interactions. It covers deploying a cloud-based phone system, configuring a Raspberry Pi as a voice server, and using TTS and STT services to enable voice communication with AI. The setup is relevant for AI-native operations and local infrastructure projects.
Key ideas
- [00:00] Integrating Claude with a phone system for voice-based interactions.
- [02:31] Using 3CX for a free cloud-based phone system with up to 10 users.
- [03:05] Using 11 Labs for TTS and OpenAI's Whisper API for STT.
- [04:01] Setting up a 3CX SBC (Session Border Controller) to interface with the cloud.
- [08:10] Installing 3CX SBC on a Raspberry Pi with a specific OS version.
- [12:26] Starting the voice server and API server for Claude phone integration.
- [13:10] Testing the system with a user named "Susie" who interacts with Claude.
- [15:42] Demonstrating multiple personalities with different voices and system prompts.
Tools, services & specific callouts
| Tool / service | What it is | How it's used in the video | Use-case for my ventures |
|---|---|---|---|
| 3CX | Cloud-based phone system | Used to set up a free phone system with extensions and VoIP capabilities | BexarByte could use this for local-government communication systems; Agentic OS could use it for voice-based AI interactions. |
| Raspberry Pi | Single-board computer | Used as a voice server and SBC (Session Border Controller) | Agentic OS could use this for low-cost, local AI voice integration. |
| 11 Labs | Text-to-speech service | Used to give Claude a voice for phone interactions | Agentic OS could use this for voice-based AI agents. |
| OpenAI Whisper API | Speech-to-text service | Used to convert spoken words into text for Claude to process | Agentic OS could use this for voice-based AI interactions. |
| Docker | Containerization platform | Used to run the voice server and API server | Agentic OS could use this for deploying AI services locally. |
| Cloud Code | AI integration framework | Used as the core for integrating Claude with the phone system | Agentic OS could use this for AI agent development. |
How AI / automation is used
The video integrates AI through Cloud Code, which uses Claude for voice-based interactions. The system uses TTS (via 11 Labs) and STT (via OpenAI Whisper API) to convert speech to text and vice versa. The setup involves an API server that acts as a bridge between the phone system and the AI, enabling voice-based communication with Claude.
SEO / GEO / marketing / growth
- The video is focused on technical setup and not on SEO or marketing strategies.
- No specific SEO tactics, GEO targeting, or growth strategies are discussed.
Infrastructure & hardware
| Tool / service | What it is | How it's used in the video | Use-case for my ventures |
|---|---|---|---|
| Raspberry Pi OS (Bookworm, 64-bit legacy light) | Operating system for Raspberry Pi | Used to run the 3CX SBC and voice server | Agentic OS could use this for low-cost, local AI voice integration. |
| Docker | Containerization platform | Used to run the voice server and API server | Agentic OS could use this for deploying AI services locally. |
| 3CX SBC (Session Border Controller) | Software for interfacing with 3CX cloud | Installed on Raspberry Pi to connect to 3CX cloud | BexarByte could use this for local-government communication systems. |
Notable quotes
"This is going to be completely free because we're going to be deploying a phone system in the cloud." — [00:46]
"It's a weird concept. It'll all materialize here in a moment." — [01:18]
"I'm going to show you and walk you through setting up two individual servers." — [02:06]
"This is not a free service. It is paid, but I chose this because it's amazing." — [03:11]
"You can call and talk to your Proxmox server." — [15:58]
Actionable takeaways
- [BexarByte] Use 3CX for setting up a low-cost, cloud-based phone system for local-government communication.
- [Agentic OS] Use Raspberry Pi and Docker to set up a local voice server for AI-based phone interactions.
- [Cross-business] Explore using TTS and STT services (like 11 Labs and OpenAI Whisper API) for voice-based AI interactions in various ventures.
Open questions / to verify
- The video mentions using 11 Labs and OpenAI Whisper API, but does not provide pricing or exact API endpoints.
- The speaker mentions using a specific Raspberry Pi OS version (Bookworm, 64-bit legacy light), but does not explain why this version is chosen over others.
- The video does not clarify how the API server and voice server communicate with each other in detail.
Filing metadata
- Suggested title: "Integrating Claude with 3CX for Voice-Based AI Interactions"
- Primary venture: Agentic OS
- Secondary ventures: BexarByte, Cross-business
- Type: Tooling/How-to
- Keyword tags: 3CX, Claude, Raspberry Pi, TTS, STT, AI voice, VoIP, Docker, Cloud Code
- One-line index hook: This article covers how to set up a phone system using 3CX and integrate it with Claude for voice-based AI interactions.
AI-assisted summary of a YouTube video — source. Generated by a local model and human-reviewed; verify specifics against the original before relying on them.