The asterisk card is with four FXO or FXS ports, It supports standard driver  , can work with Asterisk FreePBX Issabel AsteriskNow ... Dahdi 

Using the analog card, open source PBX and stand alone PC, users can create their SOHO telephony solution include all the sophisticated features of traditional PBX, and extend features such as voicemail in IP PBX.

You can use it with standard zaptel driver and source code without modify any code.The FXO and FXS cards are interchangeable to suit various requirements.