4 port modular analog PCI 3.3/5.0V card, no interfaces and HW Echo Can.
The 1A4A01F from the A4 Series is a PCI card with EC for 3.3/5.0V with 0-FXS/0-FXO and 4 ports.
This base PCI card for Digium's A4-series is scalable through expansion modules. Connect up to four interchangeable FXO or FXS modules. This base card also includes a carrier-grade echo cancellation unit for higher audio quality.
The Digium A4-series base card is designed to connect analog and VoIP components for a unified PBX. Slide this card into an open PCI slot.
Features and Functions
- One (1) - four (4) analog ports
- Accepts up to four (4) single-port modules
- DSP -based carrier grade echo cancellation module
- Loop Start or Kewl Start Signaling
- Digium patented VoiceBus™ technology for better audio
- With Asterisk - DAHDI 2.7 or later required
- With Switchvox - Switchvox 5.8.1 or later required
5 year manufacturer warranty.