{"product_id":"ip-pbx-d503-2783","title":"IP PBX-D503, Support 600 Users and 150 Concurrent Calls, with 2 Slots for E1\/T1,FXS,FXO and Hybrid FXU Cards","description":"\u003cstrong\u003eDescription\u003c\/strong\u003e\u003cbr\u003eIP 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.","brand":"Refurb Squared","offers":[{"title":"IP PBX-D503","offer_id":51422912446752,"sku":"Refurb2-IP PBX-D503-2783","price":5355.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3157\/9936\/files\/20250901105751i7c4ws_jpg.webp?v=1775330170","url":"https:\/\/www.refurb2.com\/products\/ip-pbx-d503-2783","provider":"Refurb Squared","version":"1.0","type":"link"}