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COMtrexx® Flex

The COMtrexx Flex is a manufacturer-assembled solution for up to 250 users. The optional integrated gateway supports up to 12 analogue ports. With the option of adding an additional Ethernet port, the system becomes a real all-rounder.

Downloads

Filter by: Show all Application Firmware Driver
Designation
Operating system

COMfortel® SoftPhone Mobile

1.6.0 (Stable) | 27.06.2025
Google Android
Apple iOS
Go to download

PBX Call Assist 5

V8.7.1.10442 (Stable) | 03.06.2025
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows 11
macOS 14 "Sonoma"
macOS 13 "Ventura"
Windows 10 (ab Version 1903)
Go to download

COMfortel® SoftPhone 2

1.2.18 (Stable) | 17.06.2025
Google Android
Windows
Apple iOS
macOS
Go to download

COMfortel® SoftPhone

5.6.5 (Stable) | 09.12.2024
Windows 11
Windows 10 32-/64-Bit
Windows 8.1 32/64 Bit (Windows RT is not supported/wird nicht unterstützt)
Go to download

COMtrexx Flex Firmware

Version 2.4.6 (Stable) | 05.06.2025
Go to download

LAN-TAPI V2.4.x.x

V 2.4.2.42 (Stable) | 25.06.2025
Windows Server 2019
Windows 10 32-/64-Bit
Windows 8.1 32-/64-Bit (Windows RT is not supported)
Windows Server 2016
Windows 11
Windows Server 2022
Go to download

Faxdrucker Treiber

V1.4.4.3 (Stable) | 25.07.2023
Windows 10 32-/64-Bit
Windows 7 32-/64-Bit SP1
Windows 8.1 32-/64-Bit (Windows RT is not supported)
Windows Server 2008 R2
Windows 2012 Server
Windows 2012 Server R1
Windows 11
Windows Server 2012 R2
Windows Server 2022
Go to download
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Documentations

LanguagesCurrent version
Operation Instructions V13 06/2025 Online PDF
V13 06/2025 Online PDF
Privacy Policy V09 10/2024 PDF
COMtrexx Control Center - Operation Manual V06 10/2024 Online PDF
V06 10/2024 Online PDF
COMtrexx Control Center - Privacy Policy V04 10/2024 PDF
COMmander/COMpact PBX as a/b gateway V02 11/2022 PDF
V02 11/2022 PDF
V02 11/2022 PDF
Statements of conformity V01 09/2023 PDF
Instructions V01 01/2024 PDF

Operation Instructions

General information

Help/Instructions for COMtrexx from firmware version 2.4.6


Changed descriptions

Firewall releases

Updated/extended addresses.

Call forwarding

Updated/extended information on multi-level call forwarding and call forwarding loops.

Block- and allowlist

Updated information on the changed web interface.

Prevent update messages

Updated information on the changed setting.


Removed descriptions

Short Reference Identification

Query and programming digit sequences no longer supported removed.

COMmander/COMpact PBX as a/b gateway

General information

Instructions for COMmander/COMpact PBXs as a/b gateway on a COMtrexx


Changed descriptions

Overview of Functions

Information on the firmware version added.

Configuration of Subscribers

Information on the setting of exchange line authorisation added.

Instructions

General information

Help/Instructions for COMtrexx Flex from firmware version 2.2

Privacy Policy

For the following products:

  • COMtrexx Advanced
  • COMtrexx Business
  • COMtrexx Flex
  • COMtrexx Next
  • COMtrexx VM Hyper-V
  • COMtrexx VM VirtualBox
  • COMtrexx VMware ESXi

For the following firmware:

  • V2.4

Language:

  • German
  • English
  • French

FAQs

Filter by: Show all Operation General Network

The required settings are described in the respective help for the telecommunications systems.

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