DESC: The Digium Wildcard TDM2412B is a full-length PCI 2.2-compliant card that provides four FXS for connecting analog telephones and Eight FXO interfaces for connecting analog telephone lines to a PC. Using Digium's Asterisk Open Source PBX software and standard PC hardware, one can create a SOHO (Small Office Home Office) telephony environment that includes all the sophisticated features of a high-end business telephone system.