The Digium Wildcard B410P is a half-length universal PCI 2.2-compliant Basic Rate ISDN card that supports TE and NT mode over 4-wire S/T interface. Using Digium's digital hardware, Open Source Asterisk PBX software, and a Linux PC, users can create an intelligent telephony environment which includes all the sophisticated features of a high-end PBX/ Voicemail platform.