The connection between PBX system and Server may be established using TCP/IP. You will need a LAN interface for the PBX.
Connection using a network (TCP/IP)
Enter the hostname or IP Address of your PBX system. The default TCP port for CSTA is 3211.
Please note:
In order to connect the estos ECSTA for Mitel MiVoice 5000 to the telephone system using TCP/IP you need:
Version 7.0