{"id":2490,"date":"2026-04-21T11:18:19","date_gmt":"2026-04-21T09:18:19","guid":{"rendered":"https:\/\/sentafe.tech\/?post_type=product&#038;p=2490"},"modified":"2026-04-21T11:18:19","modified_gmt":"2026-04-21T09:18:19","slug":"avaya-j159-ip-phone-dual-display","status":"publish","type":"product","link":"https:\/\/sentafe.tech\/en\/shop\/telephony-pbx-systems-bapx\/avaya-j159-ip-phone-dual-display\/","title":{"rendered":"Avaya J159 IP Phone &#8211; Dual-Display"},"content":{"rendered":"<p><strong>Avaya J159 IP Phone &#8211; Dual-Display Excellence for Advanced Communications<\/strong><\/p>\n<p>Empower your enterprise workforce with the <strong>Avaya J159 IP Phone<\/strong> from the industry-leading brand <strong>AVAYA<\/strong>. Engineered for power users, managers, and executives who demand robust daily communication tools, this competitively priced desk phone delivers a premium experience. It features a unique dual-color display design (a 2.8&#8243; primary display and a 2.3&#8243; secondary display), providing seamless navigation, quick access to directories, and highly efficient call management.<\/p>\n<p>Experience unparalleled voice clarity with true HD wideband audio and a full-duplex speakerphone that ensures every conversation sounds lifelike. The Avaya J159 is equipped with dual Gigabit Ethernet ports, delivering high-speed network connectivity for both the phone and a co-located PC. It supports up to 48 administrative buttons for advanced feature customization and operates on SIP and H.323 protocols. For ultimate flexibility, it supports an optional Wi-Fi\/Bluetooth module and features an energy-efficient Power-over-Ethernet (PoE Class 1) architecture.<\/p>\n<p><strong>Key Features:<\/strong><\/p>\n<ul>\n<li><strong>Brand:<\/strong> AVAYA<\/li>\n<li>Innovative dual-color displays (Primary 2.8&#8243; &amp; Secondary 2.3&#8243;) for maximum productivity.<\/li>\n<li>4 softkeys and 48 programmable administrative buttons with dual LEDs.<\/li>\n<li>True HD wideband audio for both handset and full-duplex speakerphone.<\/li>\n<li>Dual 10\/100\/1000 Mbps Gigabit Ethernet ports for rapid data speeds.<\/li>\n<li>Support for optional Wi-Fi\u00ae and Bluetooth\u00ae connectivity modules.<\/li>\n<li>Energy-efficient and eco-friendly design (PoE Class 1).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Avaya J159 IP Phone &#8211; Dual-Display Excellence for Advanced Communications<\/strong><\/p>\n<p>Empower your enterprise workforce with the <strong>Avaya J159 IP Phone<\/strong> from the industry-leading brand <strong>AVAYA<\/strong>. Engineered for power users, managers, and executives who demand robust daily communication tools, this competitively priced desk phone delivers a premium experience. It features a unique dual-color display design (a 2.8&#8243; primary display and a 2.3&#8243; secondary display), providing seamless navigation, quick access to directories, and highly efficient call management.<\/p>\n<p>Download Data Sheet <a href=\"https:\/\/sentafe.tech\/wp-content\/uploads\/2026\/04\/J159.pdf\">J159<\/a><\/p>\n","protected":false},"featured_media":2486,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1036],"product_cat":[1049],"product_tag":[1095,1074,1081,1055,1050,1094,1089,1056,1079,1054,1096],"class_list":{"0":"post-2490","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-avaya-en","7":"product_cat-telephony-pbx-systems-bapx","8":"product_tag-dual-display","9":"product_tag-avaya","10":"product_tag-b2b","11":"product_tag-business_phone","12":"product_tag-desk_phone","13":"product_tag-dual_display","14":"product_tag-ip_phone","15":"product_tag-office_equipment","16":"product_tag-unified_communications","17":"product_tag-voip_phone","18":"product_tag-avaya_j159-en","20":"first","21":"instock","22":"shipping-taxable","23":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/comments?post=2490"}],"version-history":[{"count":1,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2490\/revisions"}],"predecessor-version":[{"id":2491,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2490\/revisions\/2491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/media\/2486"}],"wp:attachment":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/media?parent=2490"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_brand?post=2490"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_cat?post=2490"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_tag?post=2490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}