{"id":149,"date":"2020-09-01T12:38:14","date_gmt":"2020-09-01T12:38:14","guid":{"rendered":"http:\/\/knowledge.webafrica.co.za\/?post_type=ht_kb&#038;p=149"},"modified":"2026-04-21T12:25:24","modified_gmt":"2026-04-21T12:25:24","slug":"unable-to-make-voip-calls","status":"publish","type":"ht_kb","link":"https:\/\/knowledge.webafrica.co.za\/index.php\/knowledge-base\/unable-to-make-voip-calls\/","title":{"rendered":"Unable to Make VoIP Calls"},"content":{"rendered":"\n<p>If you can\u2019t make outgoing VoIP calls, work through these checks. Most issues are quick to fix.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quick Checks<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Confirm Internet Connection<\/h3>\n\n\n\n<p>VoIP won\u2019t work without internet.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Open a website or run a speed test<\/li>\n\n\n\n<li>If offline or unstable, fix your connection first<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Check VoIP Registration<\/h3>\n\n\n\n<p>If your line isn\u2019t registered, calls won\u2019t go through.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Log into Client Zone<\/li>\n\n\n\n<li>Confirm your VoIP account is active<\/li>\n\n\n\n<li>Re-enter credentials if needed<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Check Your Device Setup<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VoIP device properly connected to router<\/li>\n\n\n\n<li>No loose or damaged cables<\/li>\n\n\n\n<li>Handset powered and working<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Using a Softphone (Zoiper \/ GS Wave)?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connected to WiFi or mobile data<\/li>\n\n\n\n<li>App shows <strong>Ready \/ Registered<\/strong><\/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\">Common Causes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">No Dial Tone<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Restart router and VoIP device<\/li>\n\n\n\n<li>Wait for full reconnect before testing again<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Incorrect Number Format<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Make sure you dial the full number<\/li>\n\n\n\n<li>Include area code (e.g. 021, 011)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Firewall or Router Blocking Calls<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Some routers block SIP traffic<\/li>\n\n\n\n<li>Test using mobile data (softphone)<br>\u2192 If it works there, your router is the issue<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Insufficient Airtime \/ Balance<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VoIP is prepaid<\/li>\n\n\n\n<li>Check your balance in Client Zone<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Network or Routing Issue<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If only certain numbers fail<\/li>\n\n\n\n<li>Note the number and time<\/li>\n\n\n\n<li>Report it for investigation<\/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\">Still Not Working?<\/h2>\n\n\n\n<p>Before contacting support, have this ready:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The number you\u2019re trying to call<\/li>\n\n\n\n<li>Time of the issue<\/li>\n\n\n\n<li>Error message (if any)<\/li>\n<\/ul>\n\n\n\n<p>This speeds things up.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quick Tip<\/h2>\n\n\n\n<p>If your VoIP was working before and suddenly stopped, and you haven\u2019t changed anything, it\u2019s usually:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A network issue<\/li>\n\n\n\n<li>A router setting<\/li>\n\n\n\n<li>Or registration dropped<\/li>\n<\/ul>\n\n\n\n<p>Restarting your setup fixes a surprising amount of problems.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you can\u2019t make outgoing VoIP calls, work through these checks. Most issues are quick to fix. Quick Checks 1. Confirm Internet Connection VoIP won\u2019t work without internet. 2. Check VoIP Registration If your line isn\u2019t registered, calls won\u2019t go through. 3. Check Your Device Setup 4. Using a Softphone&#8230;<\/p>\n","protected":false},"author":1,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[146],"ht-kb-tag":[196,195,197,89,149,75,198],"class_list":["post-149","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-voip","ht_kb_tag-airtime","ht_kb_tag-cannot-make-calls","ht_kb_tag-credit","ht_kb_tag-customer-zone-login","ht_kb_tag-make-calls","ht_kb_tag-top-up","ht_kb_tag-voip-interface"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Unable to Make VoIP Calls - 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\/unable-to-make-voip-calls\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Unable to Make VoIP Calls - Webafrica Knowledgebase\" \/>\n<meta property=\"og:description\" content=\"If you can\u2019t make outgoing VoIP calls, work through these checks. 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