{"id":2482,"date":"2026-04-21T11:06:37","date_gmt":"2026-04-21T09:06:37","guid":{"rendered":"https:\/\/sentafe.tech\/?post_type=product&#038;p=2482"},"modified":"2026-04-21T11:07:26","modified_gmt":"2026-04-21T09:07:26","slug":"avaya-j139-ip-phone","status":"publish","type":"product","link":"https:\/\/sentafe.tech\/en\/shop\/telephony-pbx-systems-bapx\/avaya-j139-ip-phone\/","title":{"rendered":"Avaya J139 IP Phone"},"content":{"rendered":"<p><strong>Avaya J139 IP Phone &#8211; Smart and Efficient Business Communication<\/strong><\/p>\n<p>Upgrade your enterprise communication experience with the <strong>Avaya J139 IP Phone<\/strong> from the globally trusted brand <strong>AVAYA<\/strong>. This modern desk phone is specifically designed to meet the daily communication needs of business professionals, combining a sleek design with essential features that drive productivity. With its vibrant color display and user-friendly interface, it provides seamless access to everyday telephony functions like call transfer, conferencing, and corporate directory access.<\/p>\n<p>The Avaya J139 guarantees an exceptional audio experience, delivering true HD wideband audio through both the handset and the full-duplex speakerphone. It is equipped with dual Gigabit Ethernet ports, ensuring high-speed network connectivity for your phone and co-located PC. Furthermore, it is a highly cost-effective and eco-friendly device, featuring a Power-over-Ethernet (PoE) Class 1 design with a smart sleep mode to significantly reduce energy consumption.<\/p>\n<p><strong>Key Features:<\/strong><\/p>\n<ul>\n<li><strong>Brand:<\/strong> AVAYA<\/li>\n<li>2.8&#8243; (320 x 240 pixels) vibrant color display for easy readability.<\/li>\n<li>Supports 4 lines with dual-color red\/green LED indicators for call status.<\/li>\n<li>True HD wideband audio with a full-duplex speakerphone.<\/li>\n<li>4 context-sensitive soft keys to simplify call control and management.<\/li>\n<li>Dual 10\/100\/1000 Gigabit Ethernet ports for rapid network speeds.<\/li>\n<li>Advanced SIP protocol support for unified communications integration.<\/li>\n<li>Energy-efficient design (PoE Class 1) with an automatic sleep mode.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Avaya J139 IP Phone &#8211; Smart and Efficient Business Communication<\/strong><\/p>\n<p>Upgrade your enterprise communication experience with the <strong>Avaya J139 IP Phone<\/strong> from the globally trusted brand <strong>AVAYA<\/strong>. This modern desk phone is specifically designed to meet the daily communication needs of business professionals, combining a sleek design with essential features that drive productivity. With its vibrant color display and user-friendly interface, it provides seamless access to everyday telephony functions like call transfer, conferencing, and corporate directory access.<\/p>\n<p>Download Data Sheet <a href=\"https:\/\/sentafe.tech\/wp-content\/uploads\/2026\/04\/J139.pdf\">J139<\/a><\/p>\n","protected":false},"featured_media":2480,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1036],"product_cat":[1049],"product_tag":[1074,1081,1055,1050,1089,1056,1053,1054,1090,506],"class_list":{"0":"post-2482","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-avaya","9":"product_tag-b2b","10":"product_tag-business_phone","11":"product_tag-desk_phone","12":"product_tag-ip_phone","13":"product_tag-office_equipment","14":"product_tag-sip_phone","15":"product_tag-voip_phone","16":"product_tag-avaya_j139-en","17":"product_tag-telecommunications","19":"first","20":"instock","21":"shipping-taxable","22":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2482","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=2482"}],"version-history":[{"count":1,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2482\/revisions"}],"predecessor-version":[{"id":2483,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product\/2482\/revisions\/2483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/media\/2480"}],"wp:attachment":[{"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/media?parent=2482"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_brand?post=2482"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_cat?post=2482"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sentafe.tech\/en\/wp-json\/wp\/v2\/product_tag?post=2482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}