Refurb Squared
IP PBX-D503, Support 600 Users and 150 Concurrent Calls, with 2 Slots for E1/T1,FXS,FXO and Hybrid FXU Cards
IP PBX-D503, Support 600 Users and 150 Concurrent Calls, with 2 Slots for E1/T1,FXS,FXO and Hybrid FXU Cards
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
IP PBX-D503 provides a centralized solution for enterprise communications needs. Supports 600 users and 150 concurrent calls, and provides two hot-swappable FXO, FXS, Hybrid FXU, and DTU installation slots. Supports a maximum of eight analog phones or eight analog external lines, and two E1/T1 digital trunks. It can be flexibly configured and combined based on actual scenarios. Truly set voice, video, paging, fax, meeting, recording and other practical functions in one. Achieve enterprise-level unified VoIP communication with innovative software features.
Enterprise Grade Performance
Enterprise Grade Performance
Our networking cables and optical transceivers are designed for high-performance enterprise networks. They support fast data transmission, stable connectivity, and consistent signal strength across switches, servers, and routers.
Wide Device Compatibility
Wide Device Compatibility
These modules are engineered to work with many leading networking brands such as Cisco, Juniper, Arista, and other enterprise systems. They integrate easily into existing network infrastructure.
Simple Plug And Play Setup
Simple Plug And Play Setup
Installation is quick and easy. Simply insert the cable or transceiver into the compatible port and it begins operating immediately without complicated configuration.
Reliable Connection Stability
Tested And Verified Products
Affordable Enterprise Pricing
Competitive Pricing
Refurb Squared networking hardware delivers high-speed connectivity using tested optical modules and enterprise-grade cables built for reliability and seamless device compatibility.
