3rd Party CSTA license is required.
The Alcatel OmniPCX Office connects onto the LAN through the network socket on the front of the unit. The local IP address and other network settings are set through the OMC administration software
Firmware Requirements (for new installations):
7 or later
Since rel. 10 the "Authorize external CSTA application" box needs to be checked under System Miscellaneous -> IP Services of the OMC.