{"id":143,"date":"2020-09-01T12:31:49","date_gmt":"2020-09-01T12:31:49","guid":{"rendered":"http:\/\/knowledge.webafrica.co.za\/?post_type=ht_kb&#038;p=143"},"modified":"2026-04-21T14:28:45","modified_gmt":"2026-04-21T14:28:45","slug":"calls-dropping","status":"publish","type":"ht_kb","link":"https:\/\/knowledge.webafrica.co.za\/index.php\/knowledge-base\/calls-dropping\/","title":{"rendered":"VoIP Calls Dropping"},"content":{"rendered":"\n<p>If your VoIP calls keep dropping, it\u2019s almost always a connection or network issue. Here\u2019s how to fix it.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What This Looks Like<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calls disconnect randomly<\/li>\n\n\n\n<li>Calls drop after a few seconds or minutes<\/li>\n\n\n\n<li>Calls end when switching apps or devices<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Start Here<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Check Your Internet Stability<\/h3>\n\n\n\n<p>VoIP needs a <strong>stable<\/strong> connection, not just a fast one.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Run a speed test<\/li>\n\n\n\n<li>Check for drops or high latency<\/li>\n\n\n\n<li>Test on another device<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 If your internet is unstable, fix that first.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Restart Your Setup<\/h3>\n\n\n\n<p>Switch off:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Router<\/li>\n\n\n\n<li>VoIP device<\/li>\n<\/ul>\n\n\n\n<p>Switch on:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Router<\/li>\n\n\n\n<li>VoIP device<\/li>\n<\/ol>\n\n\n\n<p>Let everything fully reconnect before testing.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Common Causes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Unstable or Congested Network<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Too many devices using the connection<\/li>\n\n\n\n<li>Streaming, downloads, gaming<\/li>\n<\/ul>\n\n\n\n<p>\u2714 Reduce usage during calls<br>\u2714 Use wired connection where possible<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">WiFi Issues<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Weak signal or interference<\/li>\n\n\n\n<li>Device too far from router<\/li>\n<\/ul>\n\n\n\n<p>\u2714 Move closer to router<br>\u2714 Switch to Ethernet if possible<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Router or Firewall Settings<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SIP traffic being blocked<\/li>\n\n\n\n<li>NAT timeouts causing call drops<\/li>\n<\/ul>\n\n\n\n<p>\u2714 Disable SIP ALG (if available)<br>\u2714 Restart router<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Double NAT Setup<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Router connected to another router<\/li>\n<\/ul>\n\n\n\n<p>\u2714 Use a single router setup<br>\u2714 Or configure bridge mode<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Mobile Data \/ App Behaviour<\/h3>\n\n\n\n<p>If using a softphone:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calls may drop when switching apps<\/li>\n\n\n\n<li>Battery saving may interrupt calls<\/li>\n<\/ul>\n\n\n\n<p>\u2714 Disable battery optimisation for the app<br>\u2714 Keep the app active during calls<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Bandwidth Limits<\/h3>\n\n\n\n<p>VoIP needs consistent bandwidth:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00b160 Kbps per call<\/li>\n<\/ul>\n\n\n\n<p>If your line is busy, calls may drop.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quick Test<\/h2>\n\n\n\n<p>Try this:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use a softphone on mobile data<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 If calls work fine there, your home network is the issue<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Still Dropping?<\/h2>\n\n\n\n<p>Have this ready before contacting support:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Time of call<\/li>\n\n\n\n<li>Number called<\/li>\n\n\n\n<li>How long before it dropped<\/li>\n\n\n\n<li>Whether it happens on all calls or specific ones<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Straight Talk<\/h2>\n\n\n\n<p>If calls were working fine before and suddenly start dropping, it\u2019s usually:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Network instability<\/li>\n\n\n\n<li>Router behaviour<\/li>\n\n\n\n<li>Or congestion<\/li>\n<\/ul>\n\n\n\n<p>VoIP is sensitive. If your connection isn\u2019t clean, it shows immediately.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If your VoIP calls keep dropping, it\u2019s almost always a connection or network issue. Here\u2019s how to fix it. What This Looks Like Start Here 1. Check Your Internet Stability VoIP needs a stable connection, not just a fast one. \ud83d\udc49 If your internet is unstable, fix that first. 2&#8230;.<\/p>\n","protected":false},"author":1,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[146],"ht-kb-tag":[183,182,185,184],"class_list":["post-143","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-voip","ht_kb_tag-call-cutting","ht_kb_tag-dropping-calls","ht_kb_tag-internet","ht_kb_tag-router-settings"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>VoIP Calls Dropping - Webafrica Knowledgebase<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/knowledge.webafrica.co.za\/index.php\/knowledge-base\/calls-dropping\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VoIP Calls Dropping - Webafrica Knowledgebase\" \/>\n<meta property=\"og:description\" content=\"If your VoIP calls keep dropping, it\u2019s almost always a connection or network issue. 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