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Technical

Reloading Aastra firmware

The Aastra Web Recovery Mode allows you to force an Aastra handset to re-download configuration and firmware files.  The phone enters web recovery mode if either of the following conditions occurs:

  • An incomplete download of the *.st binary file
  • A set being power cycled many times

When an Aastra Handset is in web recovery mode, the power will appear to come on the phone, but the LCD screen will remain completely blank, and you will be unable to use the phone.

If your Handset resembles  these symptoms, please do the following:

  1. Disconnect the Aastra phone from power or network in case of poe handsets
  2. Reconnect the power or the poe cable and  press and hold 1 + #
  3. Hold the keys listed in Step 2 until the phone displays an IP address on the LCD screen
  4. Using a computer on the same subnet as the phone, browse to the IP address displayed on the LCD screen
  5. You should see two fields on this page:
    1. Filename:
    2. TFTP Server IP:
  6. In the Filename field, enter the name of the phone’s firmware file.  Aastra firmware files are named <Model#>.st.  
    1. Firmware files are:
      51i.st
      53i.st
      55i.st
      57i.st
    2. New firmware can be obtained from www.aastratelecom.com website
  7. In the TFTP Server IP field, enter the IP address of your TFTP server or IPPBX.
  8. Click Download Firmware
  9. The phone make take a while to contact the server and load firmware and configuration files.
  10. The set will now restart.