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OpenLine v0.1.0

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@Manohar-k-Reddy Manohar-k-Reddy released this 10 Oct 17:48

First release of OpenLine: your Android phone's SIM as a voice API for code and AI agents.

Install

  • Phone: download OpenLine-0.1.0.apk below and install it (Android 10+; call audio needs Android 11+).
  • Server: clone the repo and follow the Quickstart (Node.js 22.13+).

What's in it

  • REST calls API: place, answer, reject, hang up, hold, DTMF; stored call log, events and transcripts.
  • Agent streams: OpenLine connects calls to your agent's WebSocket in raw 16 kHz PCM or Twilio Media Streams format (works with Pipecat). Outgoing and incoming calls.
  • Signed webhooks with retries and a delivery log.
  • Optional Gemini Live assistant that answers calls and takes messages.
  • Silent handset; no root, Shizuku or PC needed for call audio.
  • Web console: accounts, QR pairing, phone health, playground, API keys, settings.

Notes

  • This APK is a debug-signed build. Android may warn when installing it.
  • Tested on a Vivo V40 (Android 16). Call audio may behave differently on other phone makers; please open an issue with your model.

Docs: https://manohar-k-reddy.github.io/openline/