The only Analog VoIP Gateway with 96 ports in 1U size, saving your rack space and cost. RJ21(50-pin telco), RJ45 & DB37 optional. Interoperable with legacy / IP equipment, easy-to-use management, and eliminating the cost of re-wiring, DAG2500 is ideal for hospitality, apartment buildings, hospitals, schools/campuses, and service providers.