Modules COMtrexx Business
The following modules are available for extending the COMtrexx Business:
•NET module: By upgrading with a NET module, there are now two networks with different IP address ranges available.
•4FXS Module: By upgrading with a 4FXS module, there are now four internal ports for analogue devices (telephones, fax machines, door stations, announcement outputs) available.
![*](Note_Tip.svg)
Further help under
Fax
Important: Installed and configured 4FXS modules reduce the available VoIP operation modes and therefore also the maximum number of available VoIP channels.
Configuration
•Configuring installed modules.
−Hardware