DIALOGIC 85-0518-003 Voice Card

The Dialogic 85-0518-003 (often listed with the model name VFX/40ESC) is a legacy 4-port analog voice and fax card. It is a full-height ISA (Industry Standard Architecture) card designed for high-performance voice processing in older telecommunications systems, such as call centers and Interactive Voice Response (IVR) setups. Interface Type: 16-bit ISA bus (Legacy standard). Port Count: 4 analog ports (4-wire voice). Functions: Supports simultaneous voice and fax processing. Onboard Digital Signal Processors (DSPs) for real-time signal processing. Compatible with DTMF (Touch Tone) detection and generation. Designed for "ESC" (Expanded Service Circuitry) environments to ensure clear communication.