PRI is a telecommunication interface carrying voice and data transmission between a network and a user using ISDN(Integrated Service Digital Network).

PRI Card Features :-

• Ease of installation (over multiple Linux platforms), Superior voice quality at an unmatched price.
• Available in PCIe and Universal PCI (5V / 3.3V) form factor
• 2U form factor capable of installation on rack-mount servers – 2U brackets available on request.
• Operating Systems: Linux Kernel – 2.4 to Latest. Windows – XP/Vista/Win7
• Line Protocols: Voice CAS, MRC/R2 PRI, SS7, HDLC / PPP