Help > Functions and applications > Version status features
Version status features
You can find out the version status of your PBX here:
•Dashboard > Version status / COMtrexx Control Center
Some functions depend on the version status of the PBX. If there is a difference between the current version status of the PBX and the maximum possible version status, the full range of functions of the PBX cannot be used.
*Would you like to use the complete range of functions of the PBX, please contact your Auerswald dealer or system partner.
If the PBX has the maximum version status and not all functions are available, check the firmware version and, if necessary, carry out a firmware update.
*Further help under Firmware Update
You will find out which functions you can use with which version status and which firmware version in the lists below.
*If the PBX does not yet have the latest firmware, you will find information on the currently available version status under Version status features.
Version status 2 – in connection with firmware version 1.8
OpenVPN Server 
In order to be able to securely connect devices to the PBX, the PBX offers an integrated OpenVPN server.
*Further help under VPN
Google contacts 
The contacts of the PBX can be synchronised with existing Google accounts.
*Further help under Contacts/LDAP
Call flow display 
For incoming calls, a COMfortel D-series telephone displays which destination was called (external call number, group, forwarded destination).
*Further help under Incoming Calls
Version status 2 – in connection with firmware version 1.10
Remote Backup 
A backup can be stored password-protected on an external server and also restored from it.
*Further help under Backup
Version status 3 – in connection with firmware version 2.0
Call number-dependent ringtones 
On telephones that can process the transmitted information (COMfortel D-series telephones, firmware version 2.6B or later), it is possible to distinguish not only the call types but also the calling and called numbers on the basis of the ringtones.
*Further help under Ringer tones
Contact image display 
For incoming calls, contact pictures of the callers can be displayed on a COMfortel D-series telephone (COMfortel D-400/D-600, firmware version 2.6B or later).
*Further help under Incoming Calls