A VoIP gateway device that bridges traditional telephone lines (PSTN) to VoIP systems. It features 8 FXO ports for connecting standard phone lines and 1 FXS port for an analog phone or fax device, plus two Gigabit RJ45 network interfaces (one with PoE). The unit supports 3 SIP profiles, 3‑way voice conferencing, T.38 fax over IP, and automatic SIP server failover for uninterrupted communication. Ideal for businesses needing reliable integration of multiple PSTN lines with modern VoIP infrastructure.