Mumla Mumble VoIP for Android

Mumla — mobile Mumble client for Android

Mumla is a free, open-source voice chat application for the Mumble VoIP network, built for Android devices. It’s an actively maintained fork of Plumble that brings mobile-friendly improvements and ongoing updates to the Mumble experience.

Secure connections and certificate handling

Mumla supports creating new certificates as well as importing and exporting existing ones, enabling encrypted and authenticated connections to Mumble servers. The app also accepts access tokens for controlled server entry and can be routed through Tor by using the Orbot app for added anonymity.

Audio options, codecs and input controls

Mumla supports multiple audio codecs (including Opus, CELT, and Speex) and can use Bluetooth headsets. You can choose between voice-activated transmission (VOX) and various push-to-talk button configurations. Incoming text messages can be read aloud via the built-in text-to-speech feature, which is enabled by default but can be turned off if undesired.

Connection handling and server features

The client includes automatic reconnection to servers after interruptions, and servers may allow user self-registration directly from the app. These conveniences make it easier to stay connected and manage accounts without needing a desktop client.

Feature highlights

• User self-registration support on compatible servers
• Light and dark display themes for the app interface
• Message reading via text-to-speech (enabled by default)
• Optional Tor routing through Orbot for privacy
• Support for Opus, CELT, and Speex audio codecs
• Acceptance of access tokens for secure server access
• Automatic reconnection when connections drop
• Compatibility with Bluetooth headsets
• Multiple configurable push-to-talk options
• Voice-activated transmission (works best with headsets; see tips)
• Certificate creation, import, and export for secure authentication
• Open-source, maintained fork of Plumble tailored to Android

Tips for best voice-activation results

Voice-activated transmission performs most reliably when you use a headset. If you notice false triggers or missed speech, open the app settings and adjust the detection threshold until it matches your environment and microphone.