{"id":19817,"date":"2026-08-21T11:10:35","date_gmt":"2026-08-21T03:10:35","guid":{"rendered":"https:\/\/joiwo.com\/?post_type=product&#038;p=19817"},"modified":"2026-10-10T12:30:28","modified_gmt":"2026-10-10T04:30:28","slug":"sip-emergency-handsfree-explosion-proof-telephone-jwbt831p","status":"publish","type":"product","link":"https:\/\/joiwo.com\/vi\/product\/sip-emergency-handsfree-explosion-proof-telephone-jwbt831p\/","title":{"rendered":"\u0110i\u1ec7n tho\u1ea1i SIP kh\u1ea9n c\u1ea5p r\u1ea3nh tay ch\u1ed1ng ch\u00e1y n\u1ed5 JWBT831P"},"content":{"rendered":"<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">\u0110i\u1ec7n tho\u1ea1i SIP kh\u1ea9n c\u1ea5p r\u1ea3nh tay ch\u1ed1ng ch\u00e1y n\u1ed5<\/h2>\n<p>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi kh\u1ea9n c\u1ea5p nhanh ch\u00f3ng t\u1ea1i c\u00e1c khu v\u1ef1c c\u00f4ng nghi\u1ec7p nguy hi\u1ec3m, <span class=\"font-semibold\" data-streamdown=\"strong\">\u0111i\u1ec7n tho\u1ea1i r\u1ea3nh tay ch\u1ed1ng ch\u00e1y n\u1ed5<\/span> n\u00e0y k\u1ebft h\u1ee3p v\u1ecf \u0111\u1ea1t ch\u1ee9ng nh\u1eadn ATEX\/IECEx v\u1edbi k\u1ebft n\u1ed1i SIP v\u00e0 \u00e2m thanh song c\u00f4ng th\u1ef1c s\u1ef1. Thao t\u00e1c b\u1eb1ng m\u1ed9t n\u00fat b\u1ea5m thu\u1eadn ti\u1ec7n khi \u0111eo g\u0103ng c\u00f9ng loa c\u00f4ng su\u1ea5t l\u1edbn khi\u1ebfn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi gi\u00e0n khoan ngo\u00e0i kh\u01a1i, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ed3n cao, \u0103n m\u00f2n m\u1ea1nh kh\u00e1c.<\/p>\n<ul class=\"list-inside list-disc whitespace-normal [li_&amp;]:pl-6\" data-streamdown=\"unordered-list\">\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>V\u1ecf th\u00e9p kh\u00f4ng g\u1ec9 304 b\u1ec1n ch\u1eafc<\/strong>:<\/span> <span class=\"font-semibold\" data-streamdown=\"strong\">th\u00e9p kh\u00f4ng g\u1ec9 304 b\u1ec1 m\u1eb7t x\u01b0\u1edbc<\/span>, ch\u1ed1ng va \u0111\u1eadp v\u00e0 ch\u1ed1ng g\u1ec9, c\u00f9ng <span class=\"font-semibold\" data-streamdown=\"strong\">kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 phun mu\u1ed1i WF2<\/span>, ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng ngo\u00e0i kh\u01a1i v\u00e0 khu v\u1ef1c h\u00f3a ch\u1ea5t \u0103n m\u00f2n.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>T\u00edch h\u1ee3p SIP 2.0 ti\u00eau chu\u1ea9n<\/strong>:<\/span> Ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng <span class=\"font-semibold\" data-streamdown=\"strong\">IP-PBX<\/span> ph\u1ed5 bi\u1ebfn, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u0111\u1ed9 c\u00f4ng nghi\u1ec7p v\u00e0 m\u00e1y ch\u1ee7 VoIP; h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd qua web, n\u00e2ng c\u1ea5p ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf t\u1eeb xa v\u00e0 c\u00e0i \u0111\u1eb7t IP <span class=\"font-semibold\" data-streamdown=\"strong\">t\u0129nh\/DHCP<\/span>; <span class=\"font-semibold\" data-streamdown=\"strong\">d\u1ef1 ph\u00f2ng m\u00e1y ch\u1ee7 SIP k\u00e9p<\/span> gi\u00fap duy tr\u00ec li\u00ean l\u1ea1c.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>G\u1ecdi r\u1ea3nh tay b\u1eb1ng m\u1ed9t ch\u1ea1m, thu\u1eadn ti\u1ec7n khi \u0111eo g\u0103ng<\/strong>:<\/span> Thi\u1ebft k\u1ebf kh\u00f4ng c\u1ea7n \u1ed1ng nghe, c\u00f3 n\u00fat g\u1ecdi nhanh c\u1ee1 l\u1edbn \u0111\u1ec3 k\u1ebft n\u1ed1i t\u1ee9c th\u00ec v\u1edbi ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n, ngay c\u1ea3 khi \u0111eo g\u0103ng b\u1ea3o h\u1ed9 d\u00e0y; h\u1ed7 tr\u1ee3 <span class=\"font-semibold\" data-streamdown=\"strong\">\u00e2m thanh r\u1ea3nh tay hai chi\u1ec1u song c\u00f4ng to\u00e0n ph\u1ea7n<\/span>.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>Kh\u1eed nhi\u1ec5u v\u00e0 \u00e2m thanh c\u00f4ng su\u1ea5t l\u1edbn<\/strong>:<\/span> <span class=\"font-semibold\" data-streamdown=\"strong\">Kh\u1eed v\u1ecdng G.168<\/span> k\u1ebft h\u1ee3p kh\u1eed nhi\u1ec5u v\u00e0 loa t\u00edch h\u1ee3p c\u00f4ng su\u1ea5t cao gi\u00fap l\u1eddi n\u00f3i r\u00f5 r\u00e0ng t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p c\u00f3 \u0111\u1ed9 \u1ed3n l\u1edbn.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>Hai t\u00f9y ch\u1ecdn c\u1ea5p ngu\u1ed3n v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p<\/strong>:<\/span> H\u1ed7 tr\u1ee3 <span class=\"font-semibold\" data-streamdown=\"strong\">PoE IEEE 802.3af<\/span> v\u00e0 <span class=\"font-semibold\" data-streamdown=\"strong\">DC 12\u201324 V<\/span> \u0111\u1ec3 linh ho\u1ea1t tri\u1ec3n khai; b\u1ea3o v\u1ec7 ch\u1ed1ng xung \u0111i\u1ec7n t\u00edch h\u1ee3p gi\u00fap t\u0103ng \u0111\u1ed9 tin c\u1eady v\u1ec1 \u0111i\u1ec7n.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>Thi\u1ebft k\u1ebf ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ea1t ch\u1ee9ng nh\u1eadn<\/strong>:<\/span> <span class=\"font-semibold\" data-streamdown=\"strong\">\u0110\u1ea1t ch\u1ee9ng nh\u1eadn ATEX\/IECEx<\/span> \u0111\u1ec3 s\u1eed d\u1ee5ng t\u1ea1i khu v\u1ef1c nguy hi\u1ec3m, c\u00f3 \u0111\u1ea7u si\u1ebft c\u00e1p ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 b\u1ed1 tr\u00ed l\u1eafp t\u01b0\u1eddng thi\u1ebft th\u1ef1c, thu\u1eadn ti\u1ec7n l\u1eafp \u0111\u1eb7t.<\/li>\n<li class=\"py-1 [&amp;&gt;p]:inline\" data-streamdown=\"list-item\"><span class=\"font-semibold\" data-streamdown=\"strong\"><strong>T\u00ednh n\u0103ng m\u1edf r\u1ed9ng t\u00f9y ch\u1ecdn<\/strong>:<\/span> H\u1ed7 tr\u1ee3 k\u00edch ho\u1ea1t \u0111\u00e8n hi\u1ec7u\/c\u1ea3nh b\u00e1o b\u00ean ngo\u00e0i, <span class=\"font-semibold\" data-streamdown=\"strong\">ph\u00e1t thanh nh\u00f3m SIP<\/span> v\u00e0 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i t\u1eeb xa \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng theo d\u00f5i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 \u1ee9ng ph\u00f3.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c khu v\u1ef1c c\u00f4ng nghi\u1ec7p nguy hi\u1ec3m, JWBT831P l\u00e0 \u0111i\u1ec7n tho\u1ea1i kh\u1ea9n c\u1ea5p ch\u1ed1ng ch\u00e1y n\u1ed5 SIP 2.0 v\u1edbi v\u1ecf th\u00e9p kh\u00f4ng g\u1ec9 304 b\u1ec1 m\u1eb7t x\u01b0\u1edbc ch\u1eafc ch\u1eafn v\u00e0 loa c\u00f4ng su\u1ea5t cao, cho kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c r\u1ea3nh tay song c\u00f4ng r\u00f5 r\u00e0ng trong m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o. Thi\u1ebft k\u1ebf m\u1ed9t n\u00fat b\u1ea5m n\u1ed5i b\u1eadt cho ph\u00e9p quay s\u1ed1 nhanh ch\u1ec9 b\u1eb1ng m\u1ed9t ch\u1ea1m ngay c\u1ea3 khi \u0111eo g\u0103ng b\u1ea3o h\u1ed9 d\u00e0y; kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng IP-PBX ph\u1ed5 bi\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u0111\u1ed9 c\u00f4ng nghi\u1ec7p khi\u1ebfn s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi gi\u00e0n khoan ngo\u00e0i kh\u01a1i, nh\u00e0 m\u00e1y h\u00f3a d\u1ea7u, m\u1ecf v\u00e0 c\u1ea3ng.<\/p>\n","protected":false},"featured_media":19818,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"\u0110i\u1ec7n tho\u1ea1i kh\u1ea9n c\u1ea5p r\u1ea3nh tay ch\u1ed1ng ch\u00e1y n\u1ed5 JWBT831P","_seopress_titles_desc":"\u0110i\u1ec7n tho\u1ea1i SIP r\u1ea3nh tay ch\u1ed1ng ch\u00e1y n\u1ed5 v\u1edbi \u00e2m thanh song c\u00f4ng to\u00e0n ph\u1ea7n, kh\u1eed nhi\u1ec5u, PoE v\u00e0 ch\u1ee9ng nh\u1eadn ATEX\/IECEx cho m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"iawp_total_views":62},"product_brand":[],"product_cat":[799],"product_tag":[],"class_list":["post-19817","product","type-product","status-publish","has-post-thumbnail","product_cat-explosion-proof-telephones-atex","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/product\/19817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/comments?post=19817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/media\/19818"}],"wp:attachment":[{"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/media?parent=19817"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/product_brand?post=19817"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/product_cat?post=19817"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/joiwo.com\/vi\/wp-json\/wp\/v2\/product_tag?post=19817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}