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Firmware Upgrade of snom DECT system

snom-m25-m65-m85.jpg

Supported Models: snom M DECT System

This guide is applicable to the following devices:

Snom M DECT Base station

  • Snom M300
  • Snom M700

Snom M DECT Handset

  • Snom M25
  • Snom M65
  • Snom M85

The following document describes how to upgrade the firmware of a snom DECT system using the device’s own web interface. This is required prior to provisioning the phone to ensure that the minimum requirements and features are implemented into the device's firmware as this process is not managed by 3CX.

Firmware Upgrade of snom DECT system

Supported Models: snom M DECT System

Snom M DECT Base station

Snom M DECT Handset

Firmware Upgrade for snom M DECT Base station

Check/Validate Firmware Version

Upgrade Firmware

Firmware Upgrade for snom M Dect Handset

Check/Validate Firmware Version

Upgrade Firmware

Monitor the upgrade process

Firmware Upgrade for snom M DECT Base station

Check/Validate Firmware Version

In order to check the firmware of your snom DECT system:

  1. Point your web browser to the phone’s IP address.
  2. Login to your account (default user/password: admin/admin).
  3. Navigate to Home/Status >> Firmware Version”. The “Firmware Version” indicates the device’s current firmware. ( the example below shows an outdated version)

Upgrade Firmware

In order to manually upgrade your snom’s DECT system firmware:

  1. Point your web browser to the phone’s IP address.
  2. Login to your account (default user/password: admin/admin).
  3. Navigate to Firmware Update”.
  4. In the “Firmware update server address” field enter http://dect.snom.com” and press “Save/Start Update”.
  5. In the field “Required Version” enter the highest currently available firmware as per snoms support website, for example at creation of the guide the latest firmware is 400 and in the “Required branch” the number 0002.
  6. After placing a valid FW number press “Start Update”.

The firmware upgrade will start after several minutes and the LED on the base station will start to flash red.

Firmware Upgrade for snom M Dect Handset

Check/Validate Firmware Version

In order to check the firmware of your snom handset:

  1. Press the “Menu” key.

  1. Navigate to “Settings” >> “Status” >> “Handset status”.
  2. “SW version” indicates the device’s current firmware.

Upgrade Firmware

In order to upgrade your device’s firmware your handset must be connected to the DECT base station as an extension. Therefore this step can only performed after the base is upgraded and provisioned.

  1. Point your web browser to your phone’s IP address.
  2. Login to your account (default user/password: admin/admin).
  3. Navigate to Firmware Update” tab.
  4. In the “Firmware update server address” field enter http://dect.snom.com. The connected handset model will be displayed In the “Type” field (in this example M65)

  1. In the field “Required Version” enter 400 and in the “Required branch” field enter the number of the latest firmware 0002.
    Note: Before performing the upgrade, the handset must be placed in charging cradle and must be charged over 50%.
  2. After placing a valid FW number press “Start Update”.

Monitor the upgrade process

You can easily monitor the upgrading progress from the “Extensions” node, “FWU Progress”.  

The upgrade could take up to an hour based on the Network utilization and traffic.

Important note: During the firmware upgrade your handset will not be accessible for as long as the indication flashes a “Green light”.

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