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This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.
This picture is about U-4DTU.

U-4DTU, Four Ports, T1 (PRI) Digital Card for IP PBX-U502/U503

P/N: U-4DTU
US$1,369.00
0 Sold
2 Questions
Pre-order, Ship by 21 Aug, 2025
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Deliver to New York, 10010
Free Shipping via UPS Ground®
Products and Project Inquiry
Online Installation
1-Year Warranty
30-Day Returns
30-Day Exchange

Product Highlights

Support 4 T1 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
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