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Upgrading firmware from a SD card

Upgrading from SD card may be suitable if you have many phones to upgrade. The phones do not have to be connected to the network.

Procedure

  1. Download the latest firmware as above and save it on a SD card.
  2. Put the SD card in the phone you want to upgrade.
  3. Disconnect the power supply cable. Note that this is the same as the network cable if the phone uses Power over Ethernet (PoE).
  4. Press and hold the MENU button while you connect the cable again (i.e. starts the Avaya B179). Hold the button pressed until the SYSTEM RECOVERY menu is shown on the display.

    You can press any other button than 1, 2, or 3 to start the phone without any change.

  5. Press 2 to select SD-card upgrade.

    The Avaya B179 is upgraded with the firmware file on the SD card and starts when the upgrade is done.

    noteNote

    If DHCP is used in the network, the IP address may have been changed. If the web browser loses contact with Avaya B179, check the IP address on the conference phone.