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.
In order to connect the estos ECSTA for Mitel MiVoice 5000 to the telephone system using TCP/IP you need: