{"id":2768,"date":"2025-10-28T06:06:29","date_gmt":"2025-10-27T23:06:29","guid":{"rendered":"https:\/\/tienbao.bzz.vn\/chuc-nang-ngat-cuoc-goi-trong-bo-dam-ky-thuat-so"},"modified":"2026-05-21T10:12:39","modified_gmt":"2026-05-21T03:12:39","slug":"call-disconnect-function-in-digital-two-way-radios","status":"publish","type":"post","link":"https:\/\/bodamdixa.com\/en\/call-disconnect-function-in-digital-two-way-radios","title":{"rendered":"Call Disconnect Function in Digital Two-Way Radios"},"content":{"rendered":"<p data-start=\"523\" data-end=\"858\"><span style=\"font-size: small;\">The <b>call disconnect<\/b> <b>(<\/b><strong data-start=\"535\" data-end=\"556\">Call Interruption)<\/strong> function is featured as a standout capability on the NX-1300 and NX-1200 series for digital protocols such as DMR. As described, the feature allows one two-way radio to &#8220;interrupt&#8221; an ongoing transmission on the same channel by sending an interruption request to the device that is currently transmitting.<\/span><\/p>\n<hr data-start=\"860\" data-end=\"863\" \/>\n<h3 data-start=\"865\" data-end=\"903\"><span style=\"font-size: medium;\">Why this function matters<\/span><\/h3>\n<ul data-start=\"904\" data-end=\"1492\">\n<li data-start=\"904\" data-end=\"1242\">\n<p data-start=\"906\" data-end=\"1242\"><span style=\"font-size: small;\">In digital radio systems (such as DMR Tier II) used in industry, security, transportation, or rescue operations, urgent situations can arise in which another user needs to insert their call into a channel that is already in use. The Call Interruption function makes this possible, ensuring that critical information is not delayed.<\/span><\/p>\n<\/li>\n<li data-start=\"1243\" data-end=\"1492\">\n<p data-start=\"1245\" data-end=\"1492\"><span style=\"font-size: small;\">When you design or operate a DMR repeater (as with NX-1300 + NXR-1800E2), understanding and properly configuring this function improves channel management: it avoids channel congestion, prioritizes urgent communication, and adds flexibility to the system.<\/span><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1494\" data-end=\"1497\" \/>\n<h3 data-start=\"1499\" data-end=\"1519\"><span style=\"font-size: medium;\">How it works<\/span><\/h3>\n<p data-start=\"1520\" data-end=\"1560\"><span style=\"font-size: small;\">The basic steps are as follows:<\/span><\/p>\n<ol data-start=\"1561\" data-end=\"2217\">\n<li data-start=\"1561\" data-end=\"1645\">\n<p data-start=\"1564\" data-end=\"1645\"><span style=\"font-size: small;\">Device A is talking \u2014 transmitting a call (Group or Individual) on the DMR channel.<\/span><\/p>\n<\/li>\n<li data-start=\"1646\" data-end=\"1904\">\n<p data-start=\"1649\" data-end=\"1904\"><span style=\"font-size: small;\">Device B needs to make an emergency call or has higher priority: B presses a button programmed as &#8220;Call Interruption&#8221; (a PF button) or a PTT button configured for &#8220;Interrupt CALL&#8221; while a call is in progress.<\/span><\/p>\n<\/li>\n<li data-start=\"1905\" data-end=\"2045\">\n<p data-start=\"1908\" data-end=\"2045\"><span style=\"font-size: small;\">Device B sends an <strong data-start=\"1923\" data-end=\"1948\">interruption request<\/strong> message to device A, which is currently transmitting.<\/span><\/p>\n<\/li>\n<li data-start=\"2046\" data-end=\"2217\">\n<p data-start=\"2049\" data-end=\"2217\"><span style=\"font-size: small;\">Device A receives the request and is interrupted \u2014 A&#8217;s current transmission ends immediately, and device B can start transmitting.<\/span><\/p>\n<\/li>\n<\/ol>\n<hr data-start=\"2663\" data-end=\"2666\" \/>\n<h3 data-start=\"2668\" data-end=\"2700\"><span style=\"font-size: medium;\">Benefits &amp; real-world applications<\/span><\/h3>\n<ul data-start=\"2701\" data-end=\"3415\">\n<li data-start=\"2701\" data-end=\"2928\">\n<p data-start=\"2703\" data-end=\"2928\"><span style=\"font-size: small;\"><strong data-start=\"2703\" data-end=\"2733\">Prioritizing emergency communication<\/strong>: In construction-site management, rescue operations, or large events, when an incident occurs, the manager or dispatch center needs the ability to &#8220;break in&#8221; on the current call to broadcast an emergency announcement immediately.<\/span><\/p>\n<\/li>\n<li data-start=\"2929\" data-end=\"3117\">\n<p data-start=\"2931\" data-end=\"3117\"><span style=\"font-size: small;\"><strong data-start=\"2931\" data-end=\"2956\">Effective channel management<\/strong>: When the channel is occupied by a less critical call, a device with priority can interrupt it for an urgent task \u2014 avoiding the need to change channels or wait.<\/span><\/p>\n<\/li>\n<li data-start=\"3118\" data-end=\"3415\">\n<p data-start=\"3120\" data-end=\"3415\"><span style=\"font-size: small;\"><strong data-start=\"3120\" data-end=\"3163\">Integration in repeater \/ digital radio systems<\/strong>: When you operate a DMR repeater handling multiple slots, this function lets you set clear priority policies \u2014 for example, when a control station or priority radio transmits, regular calls are interrupted.<\/span><\/p>\n<\/li>\n<\/ul>\n<div><b><span style=\"font-size: medium;\">Video demo:<\/span><\/b> <a href=\"https:\/\/www.youtube.com\/watch?v=QQihOr8_Ll8\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff0000; font-size: medium;\"><b>call disconnect function<\/b><\/span><\/a><\/div>\n<p><iframe loading=\"lazy\" title=\"NX-1000 Series PTT Call Interruption | Kenwood Comms\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/QQihOr8_Ll8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3 data-start=\"3962\" data-end=\"3976\"><span style=\"font-size: medium;\">Conclusion<\/span><\/h3>\n<p data-start=\"3977\" data-end=\"4492\"><span style=\"font-size: small;\">The <strong data-start=\"3987\" data-end=\"4008\">Call Interruption<\/strong> function on digital two-way radios is a powerful tool that makes digital communication systems more flexible, prioritized, and reliable. For the requirements you currently have \u2014 particularly DMR repeaters in professional two-way radio environments \u2014 understanding and applying this feature is a major advantage.<br data-start=\"4295\" data-end=\"4298\" \/><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The call disconnect (Call Interruption) function is featured as a standout capability on the NX-1300 and NX-1200 series for digital protocols such as DMR. As described, the feature allows one two-way radio to &#8220;interrupt&#8221; an ongoing transmission on the same channel by sending an interruption request to the device that is currently transmitting. Why this&#8230;<\/p>\n","protected":false},"author":2,"featured_media":2769,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[316,317,314],"tags":[],"class_list":["post-2768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-reviews-experience","category-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/posts\/2768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/comments?post=2768"}],"version-history":[{"count":0,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/posts\/2768\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/media\/2769"}],"wp:attachment":[{"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/media?parent=2768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/categories?post=2768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bodamdixa.com\/en\/wp-json\/wp\/v2\/tags?post=2768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}