{"id":28683,"date":"2021-04-20T13:22:38","date_gmt":"2021-04-20T12:22:38","guid":{"rendered":"https:\/\/voipstudio.com\/blog\/przyczyny-i-rozwiazania-zerwanych-polaczen-voip-2\/"},"modified":"2025-12-11T17:16:57","modified_gmt":"2025-12-11T17:16:57","slug":"przyczyny-i-rozwiazania-zerwanych-polaczen-voip","status":"publish","type":"post","link":"https:\/\/voipstudio.com\/pl\/blog\/przyczyny-i-rozwiazania-zerwanych-polaczen-voip\/","title":{"rendered":"Przyczyny i rozwi\u0105zania zerwanych po\u0142\u0105cze\u0144 VoIP"},"content":{"rendered":"\n<p>Zwykle odbierasz i konfigurujesz telefon poprawnie. Rozm\u00f3wcy s\u0105 w stanie komunikowa\u0107 si\u0119 ze sob\u0105. Ale <strong>wszystko nagle si\u0119 urywa<\/strong> podczas kilkusekundowej rozmowy. Zwykle po oko\u0142o 30 sekundach.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CO POWODUJE ODCI\u0118CIE TELEFON\u00d3W VOIP?<\/h2>\n\n\n\n<p>Mo\u017ce si\u0119 to zdarzy\u0107, gdy <strong>u\u017cywamy softphon\u00f3w lub terminali IP<\/strong> <strong>z <\/strong>protoko\u0142em inicjacji sesji<strong> SIP<\/strong>. Powodem tego jest to, \u017ce zgodnie z protoko\u0142em SIP telefon musi odpowiedzie\u0107 ACK, aby wskaza\u0107, \u017ce otrzyma\u0142 i odebra\u0142 po\u0142\u0105czenie przychodz\u0105ce prawid\u0142owo.<\/p>\n\n\n\n<p>W ten spos\u00f3b jednostka Call Server wie, \u017ce komunikacja jest w toku. Je\u015bli centrala <strong>PBX lub serwer po\u0142\u0105cze\u0144 nie otrzyma tego potwierdzenia<\/strong>, mo\u017ce po pewnym czasie zako\u0144czy\u0107 po\u0142\u0105czenie.<\/p>\n\n\n\n<p>Istniej\u0105 r\u00f3\u017cne powody, dla kt\u00f3rych odpowied\u017a potwierdzaj\u0105ca wydana przez terminal SIP do centrali PBX nie dociera z powrotem do centrali. <strong>Najcz\u0119stszym problemem<\/strong> jest to, \u017ce niekt\u00f3re routery lub zapory operator\u00f3w wdra\u017caj\u0105 <a href=\"https:\/\/support.intermedia.com\/app\/articles\/detail\/a_id\/11448\/type\/KB\" target=\"_blank\" rel=\"noreferrer noopener\">funkcj\u0119 o nazwie \u201eSIP ALG\u201d<\/a>. Paradoksalnie ta funkcja \u201eSIP ALG\u201d ma na celu popraw\u0119 funkcji NAT w komunikacji SIP, co w wielu przypadkach powoduje <strong>z\u0142amanie protoko\u0142u SIP<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Problemy spowodowane z\u0142amaniem protoko\u0142u SIP<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Po\u0142\u0105czenie ucina si\u0119 po kilku sekundach.<\/li><li>Po\u0142\u0105czenia przychodz\u0105ce, kt\u00f3re nie dzwoni\u0105 lub nie docieraj\u0105 do terminala.<\/li><li>D\u017awi\u0119k jednokierunkowy.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">JAK ROZWI\u0104ZYWA\u0106 ZERWANIE PO\u0141\u0104CZE\u0143 VOIP?<\/h2>\n\n\n\n<p>Aby rozwi\u0105za\u0107 ten problem, najlepiej by\u0142oby, w miar\u0119 mo\u017cliwo\u015bci, <strong>dezaktywowa\u0107 protok\u00f3\u0142 SIP ALG <\/strong>w tych routerach lub firewallach. W tym celu musimy by\u0107 w stanie zarz\u0105dza\u0107 tymi routerami i musz\u0105 mie\u0107 dost\u0119p do aktywacji lub nie tej funkcji.<\/p>\n\n\n\n<p>Niestety w wi\u0119kszo\u015bci przypadk\u00f3w nie mamy kontroli nad tymi urz\u0105dzeniami lub <strong>nie maj\u0105 one dost\u0119pnej funkcjonalno\u015bci SIP ALG<\/strong>.<\/p>\n\n\n\n<p>Kilka innych rozwi\u0105za\u0144, kt\u00f3re mo\u017cemy zastosowa\u0107 w terminalach, aby spr\u00f3bowa\u0107 rozwi\u0105za\u0107 ten problem, pokazano poni\u017cej.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Korzystaj z softfon\u00f3w VoIPstudio<\/h3>\n\n\n\n<p>Po pierwsze, mo\u017cesz spr\u00f3bowa\u0107 u\u017cy\u0107 naszych <a href=\"https:\/\/voipstudio.pl\/pobieranie\/\" target=\"_blank\" rel=\"noreferrer noopener\">softfon\u00f3w VoIPstudio<\/a> dla Windows, MAC, Linux, iPhone lub Android tam, gdzie to mo\u017cliwe. Nasze telefony programowe <strong>korzystaj\u0105 z protoko\u0142u WebRTC<\/strong>, dzi\u0119ki kt\u00f3remu unikn\u0119li\u015bmy problemu opisanego dla SIP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">W\u0142\u0105cz serwer STUN<\/h3>\n\n\n\n<p>W\u0142\u0105cz i skonfiguruj serwer STUN VoIPstudio \u201estun.ssl7.net\u201d w tych urz\u0105dzeniach SIP, kt\u00f3re posiadaj\u0105 t\u0119 opcj\u0119. Na przyk\u0142ad softphone Zoiper jest bardzo wra\u017cliwy na ten problem. W wi\u0119kszo\u015bci przypadk\u00f3w konfiguracja STUN w VoIPstudio, jak pokazano na obrazku, jest rozwi\u0105zana.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/voipstudio.com\/wp-content\/uploads\/zoiper-calls-cut-after-30-second-1-1-1024x286-1.png\" alt=\"\" class=\"wp-image-14551\"\/><\/figure><\/div>\n\n\n\n<p><em>Uwaga: Po wszystkich testach stabilno\u015bci, kt\u00f3re VoIPstudio umie\u015bci\u0142 w aplikacji mobilnej Zoiper, najlepszym ustawieniem jest ustawienie STUN na NO.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dodatkowe ustawienia<\/h3>\n\n\n\n<p>Inne korekty, kt\u00f3re mo\u017cna wprowadzi\u0107, to:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ustaw protok\u00f3\u0142 transportowy z UDP na TCP.<\/li><li>U\u017cyj naszego dodatkowego portu SIP 5566<\/li><li>Skr\u00f3\u0107 czas ponawiania pr\u00f3by przy rejestracji SIP<\/li><li>Skonfiguruj statuy regu\u0142 NAT w routerze dla naszego telefonu IP.<\/li><li>Skonfiguruj stref\u0119 DMZ w routerze i zlokalizuj tam telefon IP. Musisz wi\u0119c podj\u0105\u0107 dodatkowe \u015brodki bezpiecze\u0144stwa w kontroli dost\u0119pu do terminala. W \u017cadnym wypadku nie powinni\u015bmy zostawia\u0107 go z domy\u015blnymi danymi uwierzytelniaj\u0105cymi.<\/li><\/ul>\n\n\n\n<p>Je\u015bli jeste\u015b klientem <a href=\"https:\/\/voipstudio.pl\/\">VoIPstudio<\/a> i do\u015bwiadczasz kt\u00f3regokolwiek z tych problem\u00f3w, nie wahaj si\u0119 <strong>otworzy\u0107 u nas zg\u0142oszenia do pomocy technicznej<\/strong>, jak pokazano na poni\u017cszym obrazku, aby\u015bmy mogli pom\u00f3c Ci zdiagnozowa\u0107 i rozwi\u0105za\u0107 problem.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/voipstudio.com\/wp-content\/uploads\/VoIPstudio-Support-ticket-1-1024x541-1.png\" alt=\"\" class=\"wp-image-14561\"\/><\/figure><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zwykle odbierasz i konfigurujesz telefon poprawnie. Rozm\u00f3wcy s\u0105 w stanie komunikowa\u0107 si\u0119 ze sob\u0105. Ale wszystko nagle si\u0119 urywa podczas kilkusekundowej rozmowy. [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":37642,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[284],"tags":[],"class_list":["post-28683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-komunikacja-w-biznesie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Przyczyny i rozwi\u0105zania zerwanych po\u0142\u0105cze\u0144 VoIP &#183; VoIPstudio<\/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:\/\/voipstudio.com\/pl\/blog\/przyczyny-i-rozwiazania-zerwanych-polaczen-voip\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Przyczyny i rozwi\u0105zania zerwanych po\u0142\u0105cze\u0144 VoIP\" \/>\n<meta property=\"og:description\" content=\"Zwykle odbierasz i konfigurujesz telefon poprawnie. Rozm\u00f3wcy s\u0105 w stanie komunikowa\u0107 si\u0119 ze sob\u0105. Ale wszystko nagle si\u0119 urywa podczas kilkusekundowej rozmowy. 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