u 4dtu four ports e1 pri digital card ip pbx u502u503 fs Price | Shop The World
From USA
NewFS
U-4DTU, Four Ports, E1 (PRI) Digital Card for IP PBX-U502/U503
ℹ
Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Support 4 E1 Ports
•Compatible with PBX-U502 and PBX-U503 to Expand PBX Functionality
•Hot-Swappable for Flexible Configuration
•Replace Analog Line Connections with SIP Trunking to Allow Reduced Call Costs
•Full Plug-and-Play Support From the Web GUI
•PSTN Trunking Allows IP-PBX to Route Calls to Traditional PSTN
