The Four-Line Dialogic D/4PCIUF Combined Media Boards Are Ideal for Small-And Medium-Sized Enterprise Computer Telephony (CT) Applications That Require High-Performance, Cost Aggressive Media Processing, But Do Not Require the Large-Scale System Sophistication of SCbus-Or CT Bus-Based Products. the Boards Use the Same Application Programming Interface (API) as Their Predecessor (D/4PCI), Making It Easy to Scale Existing Applications to Take Advantage of Their Power and Features in a Single PCI or PCI Express Slot.