{"id":1144,"date":"2026-09-14T15:41:42","date_gmt":"2026-09-14T12:41:42","guid":{"rendered":"https:\/\/samatech-mea.com\/?post_type=product&#038;p=1144"},"modified":"2026-09-14T15:41:42","modified_gmt":"2026-09-14T12:41:42","slug":"yeastar-so-module","status":"publish","type":"product","link":"https:\/\/samatech-mea.com\/en\/product\/yeastar-so-module\/","title":{"rendered":"Yeastar SO Module"},"content":{"rendered":"<p data-path-to-node=\"2\">Yeastar SO module is a module with one FXO port and one FXS port to offer a unique PSTN failover function, enabling you to make\/receive calls even when system powers down.<\/p>\n<ul data-path-to-node=\"3\">\n<li>\n<p data-path-to-node=\"3,0,0\"><b data-path-to-node=\"3,0,0\" data-index-in-node=\"0\">Key Features and Benefits:<\/b><\/p>\n<ul data-path-to-node=\"3,0,1\">\n<li>\n<p data-path-to-node=\"3,0,1,0,0\"><b data-path-to-node=\"3,0,1,0,0\" data-index-in-node=\"0\">PSTN Failover Function:<\/b> Combines one FXO port and one FXS port to ensure continuous call capabilities during power outages.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,0,1,1,0\"><b data-path-to-node=\"3,0,1,1,0\" data-index-in-node=\"0\">Dual Line Termination:<\/b> Supports termination for both PSTN lines and analog telephone or fax machines.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,0,1,2,0\"><b data-path-to-node=\"3,0,1,2,0\" data-index-in-node=\"0\">Audio Enhancement:<\/b> Includes built-in support for echo cancellation.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,0,1,3,0\"><b data-path-to-node=\"3,0,1,3,0\" data-index-in-node=\"0\">Broad Compatibility:<\/b> Compatible with Yeastar S20, S50, S100, S300, P550, P560, and P570 PBX systems.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,0\"><b data-path-to-node=\"3,1,0\" data-index-in-node=\"0\">Technical &amp; Physical Specifications:<\/b><\/p>\n<ul data-path-to-node=\"3,1,1\">\n<li>\n<p data-path-to-node=\"3,1,1,0,0\"><b data-path-to-node=\"3,1,1,0,0\" data-index-in-node=\"0\">Ports:<\/b> 1 FXO RJ11 Port + 1 FXS RJ11 Port.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,1,1,0\"><b data-path-to-node=\"3,1,1,1,0\" data-index-in-node=\"0\">Ring Frequencies:<\/b> FXO ring frequency detection of 15~50 Hz and FXS ring frequency of 25 Hz.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,1,2,0\"><b data-path-to-node=\"3,1,1,2,0\" data-index-in-node=\"0\">Voltage &amp; Impedance:<\/b> Ring voltage of 85V with a 600 Ohm terminating impedance option.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"4\"><br data-mce-bogus=\"1\"><\/p>","protected":false},"excerpt":{"rendered":"<p>An expansion module featuring one FXO port and one FXS port to offer a unique PSTN failover function, enabling users to make and receive calls even when the system powers down.<\/p>","protected":false},"featured_media":1143,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[49],"product_tag":[],"class_list":["post-1144","product","type-product","status-publish","has-post-thumbnail","product_cat-communication-systems","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/product\/1144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/comments?post=1144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/media\/1143"}],"wp:attachment":[{"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/media?parent=1144"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/product_brand?post=1144"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/product_cat?post=1144"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/samatech-mea.com\/en\/wp-json\/wp\/v2\/product_tag?post=1144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}