A VoIP gateway device that bridges traditional phone lines to modern VoIP networks. It features 4 FXO ports to connect standard telephone lines and 1 FXS port for an analog phone or fax device, plus two Gigabit RJ45 network ports for network connectivity. The unit supports up to 3 SIP profiles, and includes features like 3-way voice conferencing, T.38 fax support, and secure AES encryption for communications. Ideal for businesses and offices that need to integrate legacy telephony with VoIP systems.