Introduction
The Epygi company concieve and produces a series of Quadro VoIP appliances.
IP PBX Quadro goes from 2x/2xi to 16x/16xi combines functionnalities of a IP PBX and a Internet router which includes functionnalities such as QoS, firewall, VPN server/client and Dynamic DNS.
Quadro FXO, Quadro ISDN and Quadro E1-T1 gateways adds FXO, ISDN or E1/T1 ports to the PBX IP. Those products are concieved as extensions for Quadro PBX but can also extend other PBX IP.