Operation Manual

COMfortel 1400IP/2600IP/3600IP - Firmware V2.2G - Operation and Configuration V03 07/2015 649
Service and Maintenance
Update and Provisioning
Restoring Previous Firmware
The telephone is now restarted.
Further steps:
– After a firmware update you usually require a new version of the instructions. You will find up-
to-date instructions on the Internet (see www.auerswald.de/service.
– In order to use the new features after the telephone's firmware has been updated, you often
may need to update the PBX firmware (see PBX operation instructions).
Restoring Previous Firmware
If you have carried out a firmware update, and the firmware proves to be faulty, you can restore
the previous firmware installation.
You can restore previous firmware as follows:
• Using the configuration manager
Using the Configuration Manager to Restore Firmware
Requirements:
– Firmware file (*.rom) saved on the hard disk
– SD card inserted into slot (min 128 MB of free memory )
Notes:
You will find the required firmware file on the Internet (see
www.auerswald.de).
To get information about the firmware version that is currently saved in the
telephone, select Apps > Settings > System > About phone
or, in the configuration manager, click on the Auerswald logo with the left-
hand mouse button.
To restore the previous firmware, proceed as follows.
1. Remove the telephone from the power supply, by detaching the PoE cable.
2. Press the hook key and the query key simultaneously. Keep both keys
pressed.
3. While keeping both keys pressed, reconnect the telephone using the PoE cable.