OwnLine: VoIP Softphone & SMS

AllianceInterStellar

About this app

OwnLine is a bring-your-own-account dialer and messaging client for developers.

Instead of reselling you minutes, OwnLine connects directly to a telephony account you already own — Twilio, Telnyx, or both — so every call and message runs on your own carrier account, at your own rates, with your own numbers.

WHAT IT DOES

• Place and receive calls through your Twilio or Telnyx numbers, with a full in-call keypad, mute and speaker controls.
• Send and read SMS, grouped into conversations per number.
• Pick which of your numbers to call from, right on the dialer.
• Choose one provider or use both side by side; add the second one later from Settings.

AUTOMATIC SETUP

Paste your account credentials once and OwnLine provisions everything it needs inside your own account: an API key, a voice endpoint, and calling credentials. No console spelunking, no copy-pasting webhook URLs.

OPTIONAL AI ASSISTANCE

Point OwnLine at your own self-hosted AI server and bring your own OpenAI and Deepgram keys to unlock:
• Live captions — word-by-word transcription of what the other side is saying.
• Interpreter mode — spoken translation between you and the other party, sentence by sentence.
All AI usage is billed to your own provider accounts. Leave it unconfigured and the app is a plain, fast dialer.

PRIVACY BY DESIGN

OwnLine has no servers of its own and collects no analytics. Your credentials are stored encrypted on your device and are sent only to the official APIs of the providers you configure.

TRY IT FIRST

Demo Mode fills the app with local sample data so you can explore every screen before entering any credentials. No account and no network required.

Available in English and Chinese, with an in-app language switch.

Note: you need your own Twilio or Telnyx account. Calls, messages and any AI usage are billed by those providers directly.

Twilio, Telnyx, OpenAI and Deepgram are trademarks of their respective owners. OwnLine is an independent app and is not affiliated with or endorsed by them.

What’s new

The app is now called OwnLine. Same app, same features, new name.