G3Phone

Professional SIP Phone Application for FTS Broadband

Crystal-clear voice and video calls across all your devices

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Powerful Features

📞

HD Voice & Video Calls

Experience crystal-clear audio and high-definition video calls with advanced WebRTC technology and optimized codec support.

🌐

Cross-Platform Support

Works seamlessly on iOS, Android, Windows, macOS, Linux, and web browsers with a consistent user experience.

⚡

Real-Time Communication

Built on standard SIP protocol with WebSocket and TCP transport support for reliable, real-time communications.

🎛️

Advanced Call Management

Full call control with hold, mute, transfer, DTMF support, and professional call handling features.

📱

Background Operation

Receive calls even when the app is in the background with intelligent notification and audio focus management.

📋

Call History & Contacts

Comprehensive call logging, contact management, and address book integration for efficient communication tracking.

Available on All Platforms

📱

iOS

iPhone & iPad

🤖

Android

Phones & Tablets

🌐

Web

All Browsers

🖥️

Windows

Desktop App

🍎

macOS

Desktop App

🐧

Linux

Desktop App

Technical Specifications

SIP Protocol Support

  • SIP registration and authentication
  • WebSocket and TCP transport
  • Compatible with standard SIP servers
  • OpenSIPS, Kamailio, Asterisk, 3CX support
  • RFC 3261 compliant

Media Capabilities

  • WebRTC-based media handling
  • Opus, G.722, PCMU/PCMA codecs
  • HD audio and video quality
  • Adaptive bitrate control
  • Echo cancellation and noise reduction

Call Features

  • Hold, mute, and transfer calls
  • DTMF tone support (INFO & RFC2833)
  • Call waiting and forwarding
  • Conference calling capabilities
  • Instant messaging support

System Requirements

  • iOS 16.0+ / Android 7.0+
  • Windows 10+ / macOS 10.14+
  • Modern web browsers (Chrome, Firefox, Safari)
  • Stable internet connection
  • Microphone and camera access

Why Choose G3Phone?

🔒

Enterprise Security

Built with enterprise-grade security features including encrypted communications and secure authentication protocols.

🚀

High Performance

Optimized for performance with efficient resource usage, minimal battery consumption, and fast call setup times.

🔧

Easy Integration

Seamlessly integrates with existing FTS Broadband infrastructure and standard SIP-based communication systems.

📈

Scalable Solution

Designed to scale from individual users to enterprise deployments with robust architecture and reliable performance.

🛠️

Regular Updates

Continuously updated with new features, security patches, and compatibility improvements for the latest platforms.

💬

Professional Support

Backed by FTS Broadband's professional support team with comprehensive documentation and troubleshooting guides.

Get G3Phone Today

Download G3Phone for your platform and start making professional-quality calls

📱 Download for iOS 🤖 Download for Android 🖥️ Download for Windows 🍎 Download for macOS 🐧 Download for Linux 🌐 Use Web Version

Version 1.0.1 | Compatible with iOS 16+, Android 7+, and modern web browsers