# Telephone (open-source chat app)

> Telephone is a free, open-source chat app for macOS. Telephone is a VoIP SIP softphone for Mac. It has 1,171 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at 64characters/Telephone.

Telephone is a VoIP SIP softphone for Mac. It allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/64characters/Telephone |
| Platforms | macOS |
| Interface | desktop GUI |
| GitHub stars | 1,171 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | Swift |
| Website | https://www.64characters.com/telephone |
| Official | no |
| Category | Chat & communication |
| Latest release | 1.6 (Jun 29, 2022) |
| Last commit | Sep 9, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/64characters/Telephone/releases) or website, or build it from source by following the README.

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