HamMumble - Professional VoIP Communication for Ham Radio Operators

HamMumble

Professional VoIP Communication for Ham Radio Operators

A modern, feature-rich Mumble client specifically designed for amateur radio operators. Built with cutting-edge Android technology to deliver seamless voice communication with specialized features for remote gateway control, repeater linking, and emergency communications.

Android 8.0+
Compatible
GPL 3.0
Open Source
Material 3
Modern UI
Production
Ready v1.0

Powerful Features for Professional Communication

Everything you need for reliable VoIP communication in amateur radio operations

🎙️

Advanced Voice Communication

Professional-grade audio processing with multiple transmission modes.

  • Voice Activity Detection (VAD)
  • Push-to-Talk (PTT) with visual feedback
  • Real-time VU meters
  • Adjustable input gain (0.0 - 3.0x)
  • High-quality codecs (Opus, CELT, Speex)
🔌

Hardware Integration

Seamless integration with external radio equipment and controllers.

  • USB serial adapter support
  • DTR/RTS signal control
  • Hardware PTT buttons
  • Radio interface compatibility
  • Gateway control capabilities
🔐

Security & Authentication

Enterprise-level security with comprehensive authentication options.

  • PKCS#12 certificate support
  • Password-protected certificates
  • Automatic user registration
  • Registered user indicators
  • Secure connections
🌐

Multi-Server Management

Manage unlimited servers with intelligent connection handling.

  • Save unlimited configurations
  • Auto-connect on startup
  • Auto-join specific channels
  • Real-time latency monitoring
  • Automatic reconnection
📊

Professional Audio Tools

Studio-quality audio processing and monitoring capabilities.

  • Color-coded VU meters
  • Start tone for VOX activation
  • Customizable roger beep
  • Voice hold timer
  • Peak indicators
💬

Rich Communication

Complete communication suite for team coordination.

  • Text messaging support
  • User presence indicators
  • Channel management
  • User lists with status
  • Connection monitoring

Built with Modern Technology

HamMumble is developed using the latest Android development frameworks and best practices, ensuring optimal performance, security, and user experience.

Our technology stack guarantees a responsive, reliable, and future-proof application that meets the demanding requirements of professional ham radio operations.

Jetpack Compose Kotlin 1.8+ Material Design 3 Android 8.0+

Jetpack Compose

Modern declarative UI framework for smooth interfaces

Material 3

Latest design system with dynamic theming

Kotlin Coroutines

Efficient async operations and threading

Native Audio

High-performance audio processing with JNI

USB Serial

Hardware integration for PTT control

Mumble Protocol

Full implementation with Opus/CELT codecs

Perfect for Every Ham Radio Application

Designed to excel in diverse amateur radio scenarios

🚨 Emergency Communications

Reliable VoIP infrastructure for emergency response teams and disaster recovery operations. Auto-reconnect and channel persistence ensure continuous communication when it matters most.

🗼 Repeater Linking

Connect multiple repeaters and gateways for extended coverage. Hardware PTT support and serial control enable seamless integration with existing repeater infrastructure.

📡 Remote Gateway Control

Control remote gateways and transceivers with precision. Start tones for VOX activation and configurable roger beeps ensure proper gateway operation.

🌍 DX Operations

Coordinate international DX operations with low-latency connections. Real-time monitoring and registered user indicators help manage large groups efficiently.

Ready to Experience Professional VoIP?

Join the community of ham radio operators using HamMumble for reliable communication