How to Configure Fanvil DECT Series

Fanvil W710D

Supported Handsets: Fanvil W610D

Step 1: Factory Reset the Fanvil DECT System

  • Base: With the base already powered, hold down the base button for 10 sec.
  • Handset: Turn off the handset by long pressing the hangup button. Power on the handset and when the keypad backlight is flashing press “#” to enter “Post Mode”. Dial “*”, “#”, “1”, “6”, “8” and the device will show “Cleaning configure” and reboot itself completing the reset.

Step 2: Upgrade your Fanvil DECT Base to the Required Firmware

Ensure that your DECT device and handsets are running on the latest firmware from the manufacturer’s site here. Note: the minimum required version is v1.18.4.1 or higher.

To upgrade the base:

  1. Log into your base using default credentials admin/admin
  2. Go to System > Upgrade > Software Upgrade
  3. Click “Select” to choose your firmware file
  4. Click “Upload” to begin the upgrade process

Step 3: Add a Fanvil DECT phone in 3CX and assign Users to the handsets

Add a Fanvil DECT phone in 3CX

  1. Go to “Admin > Voice and Chat”
  2. Click on “+Add DECT/FXS”
  3. Select your model and enter the device’s MAC address then click ”Next”
  4. Select the provisioning method according to your installation type:
  1. If your instance is in the cloud or outside of the office, choose “Connect via SBC / router phone” and choose the one local to your device, then click “Next”
    Important: The “Router Phone” or SBC must already be up and running
  2. If your installation is on-premises, choose “Local LAN / VPN” and choose your system FQDN or local IP, then click “Next”
  1. Assign your users and click “Add DECT base station.”

Assign users to your DECT through the 3CX Web Client

(Assign users to your DECT through the 3CX Web Client)

You will be able to assign more users after the set-up. Restart your device (unplug/plug). Once restarted, your DECT will be automatically provisioned.

If you have disabled RPS: a pop-up window will appear with the “Provisioning URL”. You need to copy this and enter it in the DECT base station web interface.

Point your web browser to the device’s IP address and log in with the default username and password “admin”

In “Settings” > “Auto Provision” > “Server URL” enter the provisioning link copied earlier.

Press “Confirm” to save the link and then press “Auto Provision Now”.

Step 4: Pairing your handsets

  1. Find the IPUI of each handset you wish to use from the handset’s menus under Menu > Status Phone > IPUI.

    It can also be found on the back of the device under the battery.

IPUI on the Back of the Device

  1. Log into the base from your 3CX Admin Console > Voice & Chat > Fanvil W710D, using the 3CX provided Web Console URL, Username and Password.
  2. Navigate to the Handset page, click “Add” to define a new handset, and select its 3CX extension
    - Enter your IPUI
    - Select Server1
    - Select your desired extension

Adding Terminal Devices

  1. Click “Confirm” to finish adding the device, and repeat for your next handset.
  2. Go to your handset’s Menu > Network > Available Network > Scan
  3. You should now see your DM’s MAC appear in the results, select it and press “Link”
  4. Enter the default Pairing PIN: 1234 and press OK to complete pairing.

Step 5: Upgrade the Fanvil Handsets

Please obtain the latest firmware from the manufacturer’s website here.

There are two ways to update the handset firmware:

Handset USB-C  Firmware Upgrade (if lower than v1.18.4)

This method is only recommended if your handset version is lower than v1.18.4 and cannot pair to the base. It requires specific U-Disk files from the manufacturer.

  1. Prepare a USB-C stick (FAT32 formatted)
  2. Copy the “SigmastarUpgrade.bin” and “upgrade_script.txt” files to the root folder of your USB-C stick (do not rename the specific files)
  3. Press and hold the red hang-up button on the handset and confirm shut down
  4. Plug the prepared USB-C stick into the bottom port of the handset
  5. Hold down the red hang-up button and * at the same time to start the handset in upgrade mode. Release the buttons when it powers up and it will proceed to upgrade and reboot.

Handset OTA Firmware Upgrade (if already v1.18.4 or higher)

This method only applies to paired handsets running version v1.18.4 or higher. Please read the Handset Pairing section above to learn how to pair them before you can upgrade their firmware OTA.

  1. Log into your DM and navigate to Handset > Upgrade and click “Select”
  2. Obtain the latest handset firmware file from the manufacturer (do not rename the file!)
  3. Click “Upload” to load the firmware onto the base
  4. Confirm that the firmware now appears in the “Firmware List” with the correct version
  5. The handsets will automatically start to upgrade when they are connected to the charger and are idle with no active calls.

The upgrade procedure is indicated by an arrow on the handset LCD and will pause if the device is in a call or is taken off the charger. You may also confirm the upgrade from Menu > Advanced > Firmware Upgrade, using the default password 123.

According to the manufacturer, the estimated upgrade time is 3~5 hours.

See Also

Last Updated

This document was last updated on 12 June 2025

https://www.3cx.com/sip-phones/fanvil-dect-phones/