With scalability up to 250 users, with 250 simultaneous calls permanently available, the COMtrexx Soft PBX solution is the perfect basis for large expansion stages. Combined with the transparent and flexible user licence model, a continuous expansion of the system is possible at any time.
The perfectly optimised connection to the SIP terminals of the COMfortel D series guarantees seamless and convenient interaction between the two Auerswald systems.
| Languages | Current version | ||
|---|---|---|---|
| COMtrexx Control Center - Privacy Policy | V04 10/2024 | ||
| COMtrexx Control Center - Operation Manual | V09 03/2026 | Online PDF | |
| V09 03/2026 | Online PDF | ||
| V01 02/2026 | Online | ||
| Privacy Policy | V10 12/2025 | ||
| Instructions | V10 03/2026 | ||
| Operation Instructions | V14 04/2026 | Online PDF | |
| V14 04/2026 | Online PDF | ||
| COMmander/COMpact PBX as a/b gateway | V02 11/2022 | ||
| V02 11/2022 | |||
| V02 11/2022 |
General information
Help/Instructions for COMtrexx VM
Editiorial changes
Direct links to the COMtrexx VM variants in the COMtrexx help
General information
Help/Instructions for COMtrexx VM
Changed descriptions
Notes updated regarding MFA, system events and sequence.
Revised information on requirements and optimisation of performance.
Editiorial changes
Direct links to the COMtrexx VM information in the COMtrexx help
General information
Help/Instructions for COMtrexx from firmware version 2.6.1
New descriptions
Information on the new firmware version
Changed descriptions
Updated information, discontinuation of COMfortel SoftPhone (first-generation).
Updated information; new variant COMtrexx VM for Proxmox VE.
Updated/extended addresses.
Updated information on the revised web interface and the minimum requirements for the initial network setup.
Updated information on the revised web interface and enhanced functionality (support COMtrexx Next, support COMfortel SoftPhone 2).
Updated information on changes to the settings options.
Updated information; discontinuation of PBX certificates.
General information
Instructions for COMmander/COMpact PBXs as a/b gateway on a COMtrexx
Changed descriptions
Information on the firmware version added.
Information on the setting of exchange line authorisation added.
For the following products:
Language:
Due to the increased volume of telephone traffic, the transfer points of VoIP providers may reach their capacity limits. A solution is sought by the providers through load balancing. The load distribution is done with a DNS SRV query. The DNS SRV is used to enable the provider to notify the registrars prioritised by him. The DNS resolution must be carried out by the provider. For this purpose, the router must use the DNS servers of the provider.
Early generations of hybrid telephone systems:
These systems do not support the dynamic procedure and can therefore no longer be operated on the respective VoIP account after platform changeover. In these cases, the ICT system must be replaced by a compatible system.
Current ICT systems:
Note the following points in the configuration:
The required settings are described in the respective help for the telecommunications systems.
