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Europe 2026

Reverse engineering a Viking VOIP phone protocol with Claude Code — Boris Starkov, Eleven Labs

Boris Starkov

Overview

This talk details the process of reverse-engineering a legacy Viking VOIP phone's protocol using Claude Code to enable connection with a modern conversational AI agent. The primary challenge was the phone's outdated Windows XP-compatible software, which posed setup difficulties for engineers using Mac operating systems. The solution involved leveraging Claude Code to discover communication ports, identify and brute-force two-letter command codes, and ultimately decipher a proprietary protocol, including a one-byte checksum encryption.

Who should watch

Key takeaways

Notable quotes

*Claude Code didn't just figure out what the format of the checksum is. It actually like managed to find it and then it confirmed it by running more values through it.*
*I was actually like the agent for Cloud. Like Cloud was orchestrating the whole thing.*
*The intellectual part which is like cracking the cracking the algorithm I could I wouldn't be able to unblock it. It was just smarter than me, I think.*

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Unofficial community note. Prefer the recording for nuance.