The QX500 IP PBX is designed for offices with as many as 500 users. The QX500 can support up to 500 IP devices and 80 concurrent calls. SIP trunking allows for the QX500 to connect directly to an ITSP with no additional equipment.
The QX500 includes a firewall and SIP Intrusion Detection for optimal security. E1, T1, FXO, ISDN BRI and FXS ports can easily be provided using the Epygi QX Gateways.
