Backup
The following options are available for backing up the configuration data of the PBX:
Configuration file *.cfg on a data carrier
Restoration point in the PBX
Backup on an external server (remote backup)
In all three cases, there is the option of restoring the configuration data without any network settings.
When creating the configuration file *.cfg, the data packages PBX data, contact images as well as music-on-hold and announcements are also optional.
A configuration can be transferred from one variant to a specific other variant. A warning is displayed in the event of partial transfer due to incompatibility. The following directions are possible:
COMtrexx Advanced -> COMtrexx Advanced / Business / Flex / Next / VM
COMtrexx Business -> COMtrexx Business / Flex
COMtrexx Flex -> COMtrexx Business / Flex
COMtrexx Next -> COMtrexx Advanced / Business / Flex / Next / VM
COMtrexx VM -> COMtrexx Advanced / Business / Flex / Next / VM
Remote Backup 
A backup can be stored password-protected on an external server and also restored from it.
*Important: The remote backup is only available with feature level 2 or higher. If you want to use this function, please contact your dealer or system partner.
*Further help under Feature level
*Important: If you want to use the remote backup server offered by Auerswald, please contact your dealer or system partner.
*Information on using your own remote backup server can be found in the Auerswald DokuWiki.
Legal notes 
*Important: Note the following legal notes before saving the backup.
The backup includes, amongst others, the following legally especially protected components:
Configuration of the PBX
Names of internal users
Passwords of PBX, users, VoIP accounts and VoIP users
Address books of the PBX
Connection data sets with destination, source, and time information of a telecommunication connection
Before the backup is being saved, all users to the PBX must be informed that these contents will be forwarded and about who will use the data received. It is essential to store the data securely and in accordance with the legal requirements. You must ensure that all legal requirements are met if you want to supply the data backup to your specialised dealer or the manufacturer for error analysis.
Accept the legal notes by entering "ok" in the entry field.
Configuration 
Saving and reading out the configuration data on and from a data carrier
Administration > Maintenance > Backup > Configuration
Delete current configuration and start with a new configuration
Administration > Maintenance > Backup > Configuration
Regenerate configuration
Administration > Maintenance > Backup > Configuration
Saving and reading out the configuration data on and from an external server
Administration > Maintenance > Backup > Remote Backup
Set up and assign own remote backup server.
Administration > Maintenance > Backup > Remote Backup
*Information on using your own remote backup server can be found in the Auerswald DokuWiki.
Inserting and restoring from restoration points
Administration > Maintenance > Backup > Restoration points
Automatic upload
Using the PBX (only COMtrexx Business)
Alternative function by pressing a key on the COMtrexx Business
Restoring factory settings
*Description of operation under Button functions COMtrexx Business
Alternative function by pressing a key on the COMtrexx Flex
Restoring factory settings
*Description of operation under Button functions COMtrexx Flex
Alternative function via USB stick on the COMtrexx Flex
Restoring factory settings
*Description of operation under USB functions COMtrexx Flex
Alternative function via USB stick on the COMtrexx Next
Restoring factory settings
*Description of operation under USB functions COMtrexx Next
Storing the Configuration for Automatic Upload on a USB Memory Stick 
Requirements:
PBX to be configured: COMtrexx Business
Configuration file saved on the PC
*Note: Network settings in the configuration file are adopted during automatic loading. If these settings were not saved in the configuration file, the network settings of the factory settings are kept during automatic loading.


1.Name the configuration file saved on the PC auconfig.cfg.
2.Save the configuration file in the root directory of a USB memory stick.
Configuration of Automatic upload 
Requirements:
COMtrexx Business in the delivery state
On a USB memory stick saved configuration file with the name auconfig.cfg
*Warning: Touching voltage-carrying conductors or telephone connections can cause life-threatening electric shocks.
For some installation and maintenance work, it is necessary to open the PBX while it is in operation (this should only be done by a qualified electrician). Make sure that the PBX is never left unattended while it is running with an open casing. Close the casing when installation has been completed.
Only qualified electricians should perform installation work within an open housing or perform service tasks using the buttons inside the casing. If necessary, commission an authorised dealer to perform this work.
*Warning: Power surges, which may occur during electrical storms, can cause life-threatening electric shocks, or damage or destroy the PBX.
Do not open the PBX during an electrical storm.


1.Switch off the PBX.
2.Insert the USB memory stick into the USB socket (USB host) on the CPU module.
3.Switch on the PBX.
The configuration data saved on the USB memory stick are automatically loaded into the PBX. The PBX afterwards.
If the Power LED lights up in green again, the restart is complete and the PBX is ready for operation.
*Note: If the Power LED remains continuously lit in red, an error has occurred. Please contact your dealer or the manufacturer directly.
*Note: Network settings in the configuration file are adopted during automatic loading. If these network settings were not saved in the configuration file, the network settings of the factory settings are kept.