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Installation Guide

Install the FusionGate app, connect the VPN, and register to your softswitch.

Complete installation procedures for FusionGate on rooted Samsung devices using Termux + Systemizer or ADB methods.

Prerequisites: Make sure your device is rooted following the Rooting Guide before proceeding.

Before You Begin

Ensure you have the following ready:

Method 1: Termux + Systemizer (Recommended)

This is the recommended installation method as it's done entirely on the device.

Step 1: Install Termux

  1. Download Termux from F-Droid (not Play Store)
  2. Install and open Termux
  3. Run initial setup: 
    pkg update && pkg upgrade -y
pkg install wget curl git -y

Step 2: Install Systemizer Module

  1. Open Magisk app
  2. Go to Modules section
  3. Tap Install from storage
  4. Download and install the Systemizer module
  5. Reboot the device when prompted

Step 3: Download FusionGate

  1. Open Termux and run: 
    cd ~
wget https://download.fusiongate.com/latest/fusiongate.zip
unzip fusiongate.zip
  2. Grant Termux root access when prompted by Magisk

Step 4: Install FusionGate

  1. Run the installation script: 
    cd fusiongate
chmod +x install.sh
su -c ./install.sh
  2. Follow the on-screen prompts
  3. Enter your license key when asked
  4. The installer will configure system services automatically

Step 5: Reboot and Verify

  1. Reboot the device
  2. FusionGate should start automatically after boot
  3. Check the notification area for FusionGate status

Method 2: ADB Installation

Alternative method using Android Debug Bridge from a computer.

Step 1: Enable ADB

  1. Go to Settings → Developer Options
  2. Enable USB Debugging
  3. Connect device to PC via USB
  4. Authorize the computer when prompted on the device

Step 2: Push FusionGate Files

  1. Open command prompt/terminal on your PC
  2. Navigate to the FusionGate download folder
  3. Push files to the device: 
    adb push fusiongate/ /sdcard/fusiongate/

Step 3: Install via ADB Shell

  1. Open ADB shell: 
    adb shell
  2. Gain root access: 
    su
  3. Run the installer: 
    cd /sdcard/fusiongate
sh install.sh
  4. Follow prompts and enter license key

License Activation

After installation, you need to activate your license:

  1. Open the FusionGate app
  2. Go to Settings → License
  3. Enter your license key (format: FGATE-XXXX-XXXX-XXXX)
  4. Tap Activate
  5. Wait for confirmation (requires internet connection)
Note: Each license is tied to your device's Android-ID and device fingerprint. Contact support if you need to transfer a license to a different device.

SIP Configuration

Configure your SIP connection to your softswitch or SBC:

  1. Open FusionGate app
  2. Go to Settings → SIP Account
  3. Enter your SIP credentials:
    FieldValue
    SIP ServerYour softswitch IP or domain
    SIP PortUsually 5060 (UDP) or 5061 (TLS)
    UsernameYour SIP username/extension
    PasswordYour SIP password
    TransportUDP, TCP, or TLS
  4. Tap Save and then Register
  5. Wait for "Registered" status

SIM Card Setup

  1. Insert active SIM card(s) into the device
  2. Wait for network registration
  3. Open FusionGate app
  4. Go to SIM Management
  5. Enable the SIM slots you want to use for termination
  6. Configure per-SIM settings if needed:
    • Daily call limits
    • Call duration limits
    • Rotation schedule

VPN Configuration (Optional)

For enhanced security or to bypass IP filtering, configure WireGuard VPN:

  1. Install WireGuard from Play Store
  2. Import your VPN configuration file
  3. In FusionGate, go to Settings → Network
  4. Enable Use VPN for SIP
  5. Select the WireGuard tunnel

Verify Installation

Confirm everything is working correctly:

Installation Complete. Proceed to the User Manual to learn about daily operation and advanced features.

Troubleshooting

License activation failed

SIP registration failed

FusionGate doesn't start after reboot