Using xtelsio CTI Client with Eicon Diva ISDN+CT 2.0 PCI
The application was not tested yet explicitly with this card, however, it should work in principle. Indeed, then the TAPI driver of the ISDN card is to be used and not the integrated CAPI-TSP.
Because the Diva ISDN+CT 2.0 PCI is a very special ISDN card, there seems to be no on-line shop which offers the card. You can order it, however, on direct inquiry: