Telegraf Phone
A lightweight Telegram-style messenger built for voice, first.
Overview
Telegraf Phone is a custom messenger we built from scratch — Go backend, WebRTC voice, CallKit integration, push via APNs. Designed for teams and families that want an alternative to the big chat apps, on their own infrastructure.
Key features
Native voice calls
CallKit integration — calls look just like FaceTime Audio.
WebRTC stack
Low-latency P2P with TURN fallback, Opus codec.
Secure media
End-to-end media delivery, tokenised thumbnails.
Self-hosted
Run the Go server on your own infra — PostgreSQL + Redis.
Push everywhere
APNs sandbox & production, background decryption.
Watch companion
Paired Telegraf Watch app for on-wrist chat.
Technology stack
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