{"id":28883,"date":"2015-12-11T16:46:39","date_gmt":"2015-12-11T16:46:39","guid":{"rendered":"https:\/\/voipstudio.com\/blog\/jak-poprawic-jakosc-dzwieku-voip-2\/"},"modified":"2025-12-11T17:17:23","modified_gmt":"2025-12-11T17:17:23","slug":"jak-poprawic-jakosc-dzwieku-voip","status":"publish","type":"post","link":"https:\/\/voipstudio.com\/pl\/blog\/jak-poprawic-jakosc-dzwieku-voip\/","title":{"rendered":"Jak poprawi\u0107 jako\u015b\u0107 d\u017awi\u0119ku VoIP"},"content":{"rendered":"\n<p>Pomimo innowacji i post\u0119pu w bran\u017cy VoIP w ci\u0105gu ostatniej dekady, wielu mened\u017cer\u00f3w nadal wierzy w utrwalony mit, \u017ce jako\u015b\u0107 d\u017awi\u0119ku w sieciach VoIP jest niepor\u00f3wnywalna z analogowymi sieciami telefonicznymi.&nbsp;W pewnym sensie mog\u0105 mie\u0107 racj\u0119, poniewa\u017c jako\u015b\u0107 d\u017awi\u0119ku VoIP mo\u017ce by\u0107 w rzeczywisto\u015bci lepsza ni\u017c POTS!<\/p>\n\n\n\n<p>Generalnie powodem tego mitu jest to, \u017ce firma nigdy nie korzysta\u0142a z VoIP, obecnie ma problemy z komunikacj\u0105 g\u0142osow\u0105 lub wypr\u00f3bowa\u0142a VoIP jaki\u015b czas temu, ale wr\u00f3ci\u0142a do starych system\u00f3w ze wzgl\u0119du na problemy z jako\u015bci\u0105.<\/p>\n\n\n\n<p>Je\u015bli w organizacji wyst\u0119puj\u0105 zrywane po\u0142\u0105czenia, szumy w tle, zniekszta\u0142cone s\u0142owa lub inne problemy z jako\u015bci\u0105, pierwszym odruchem mo\u017ce by\u0107 zwi\u0119kszenie przepustowo\u015bci lub szybko\u015bci Internetu.&nbsp;Chocia\u017c mo\u017ce to by\u0107 jedna z przyczyn, nie jest to jedyny czynnik wp\u0142ywaj\u0105cy na jako\u015b\u0107 d\u017awi\u0119ku.<\/p>\n\n\n\n<p>Co wi\u0119c mo\u017ce zrobi\u0107 firma, aby poprawi\u0107 jako\u015b\u0107 d\u017awi\u0119ku VoIP?&nbsp;Oto kilka czynnik\u00f3w, kt\u00f3re warto wzi\u0105\u0107 pod uwag\u0119:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UZYSKAJ SZYBSZY INTERNET<\/h2>\n\n\n\n<p>Prawd\u0105 jest, \u017ce powolny Internet nie zawsze musi by\u0107 problemem, ale czasami mo\u017ce stanowi\u0107 w\u0105skie gard\u0142o pogarszaj\u0105ce jako\u015b\u0107 g\u0142osu.&nbsp;Mo\u017ce kilka lat temu pr\u0119dko\u015b\u0107 Internetu by\u0142a wystarczaj\u0105ca, ale potrzeby biznesu si\u0119 zmieni\u0142y.<\/p>\n\n\n\n<p>Sieci danych w przedsi\u0119biorstwach przenosz\u0105 coraz wi\u0119ksze ilo\u015bci danych, wi\u0119c nie powinno dziwi\u0107, \u017ce jako\u015b\u0107 g\u0142osu z czasem spada.&nbsp;Mo\u017ce si\u0119 po prostu zdarzy\u0107, \u017ce istniej\u0105ce \u0142\u0105cze internetowe nie jest w stanie obs\u0142u\u017cy\u0107 dodatkowego zapotrzebowania.<\/p>\n\n\n\n<p>Kolejnym czynnikiem, kt\u00f3ry nale\u017cy wzi\u0105\u0107 pod uwag\u0119, jest wydajno\u015b\u0107 dostawcy us\u0142ug internetowych.&nbsp;Czasami mo\u017cesz po prostu nie uzyska\u0107 pr\u0119dko\u015bci obiecanych w umowie SLA.&nbsp;Je\u015bli rzeczywi\u015bcie jest to problem, warto rozwa\u017cy\u0107 zmian\u0119 dostawcy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ZMNIEJSZ OBCI\u0104\u017bENIE SIECI W GODZINACH SZCZYTU<\/h2>\n\n\n\n<p>W miar\u0119 jak przedsi\u0119biorstwa odchodz\u0105 od instalacji lokalnych na rzecz opartego na chmurze SaaS dla r\u00f3\u017cnych proces\u00f3w biznesowych, przeci\u0105\u017cenie sieci staje si\u0119 powa\u017cnym problemem.&nbsp;Je\u015bli jako\u015b\u0107 g\u0142osu znacznie spada w godzinach szczytu, ale poza tym jest dobra, zwi\u0119kszenie szybko\u015bci Internetu nie zawsze b\u0119dzie najlepszym rozwi\u0105zaniem.<\/p>\n\n\n\n<p>Zamiast ogranicza\u0107 maksymaln\u0105 liczb\u0119 jednoczesnych po\u0142\u0105cze\u0144 lub wstrzymywa\u0107 pobieranie na czas, gdy kto\u015b wykonuje po\u0142\u0105czenie VoIP, lepszym rozwi\u0105zaniem mo\u017ce by\u0107 przeniesienie cz\u0119\u015bci obci\u0105\u017cenia na godziny pozaszczytowe.&nbsp;Na przyk\u0142ad firma mo\u017ce chcie\u0107 wykonywa\u0107 zadania wymagaj\u0105ce du\u017cej przepustowo\u015bci, takie jak automatyczna synchronizacja plik\u00f3w lub tworzenie kopii zapasowych w nocy lub wczesnym rankiem, aby zmniejszy\u0107 przeci\u0105\u017cenie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ZOPTYMALIZUJ USTAWIENIA QOS<\/h2>\n\n\n\n<p>W\u0142a\u015bciwe ustawienia QoS mog\u0105 mie\u0107 znaczny wp\u0142yw na jako\u015b\u0107 g\u0142osu, poniewa\u017c prawid\u0142owe ustawienia pozwol\u0105 sprz\u0119towi sieciowemu nadawa\u0107 priorytet po\u0142\u0105czeniom g\u0142osowym w stosunku do innych form ruchu.&nbsp;Jednak nie zawsze s\u0105 one poprawnie skonfigurowane lub mog\u0142y w og\u00f3le nie zosta\u0107 skonfigurowane!<\/p>\n\n\n\n<p>Og\u00f3lnie rzecz bior\u0105c, routery maj\u0105 tendencj\u0119 do korzystania z pakiet\u00f3w danych \u201epierwsze wesz\u0142o, pierwsze wysz\u0142o\u201d.&nbsp;Oznacza to, \u017ce bez QoS pakiety g\u0142osowe nie b\u0119d\u0105 traktowane priorytetowo, co cz\u0119sto prowadzi do utracenia lub pomini\u0119cia pakiet\u00f3w.&nbsp;Z drugiej strony, przy odpowiednim tagowaniu QoS, pakiety g\u0142osowe zostan\u0105 poprawnie zidentyfikowane i przesuni\u0119te na pocz\u0105tek kolejki.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">KOMPLEKSOWA OCENA SIECI<\/h2>\n\n\n\n<p>Czasami problem si\u0119ga g\u0142\u0119biej ni\u017c pr\u0119dko\u015b\u0107 Internetu lub przepustowo\u015b\u0107.&nbsp;Czynniki takie jak drgania i op\u00f3\u017anienia mog\u0105 znacznie pogorszy\u0107 jako\u015b\u0107 po\u0142\u0105cze\u0144 g\u0142osowych, niezale\u017cnie od dost\u0119pnej przepustowo\u015bci.<\/p>\n\n\n\n<p>Op\u00f3\u017anienie to czas, w kt\u00f3rym pakiety docieraj\u0105 do miejsca docelowego ze \u017ar\u00f3d\u0142a.&nbsp;Je\u015bli cz\u0119\u015b\u0107 po\u0142\u0105czenia jest przesy\u0142ana przez publiczny Internet, op\u00f3\u017anienie mo\u017ce przekroczy\u0107 pr\u00f3g wymagany do uzyskania wysokiej jako\u015bci d\u017awi\u0119ku.<\/p>\n\n\n\n<p>W tym samym duchu jitter to zmienno\u015b\u0107 op\u00f3\u017anienia czasowego w poszczeg\u00f3lnych pakietach.&nbsp;Oznacza to, \u017ce r\u00f3\u017cne pakiety danych nie docieraj\u0105 w tej samej kolejno\u015bci, w jakiej zosta\u0142y wys\u0142ane.&nbsp;Ze \u017ar\u00f3d\u0142owego punktu ko\u0144cowego dane s\u0105 wysy\u0142ane w ci\u0105g\u0142ym strumieniu.&nbsp;Jednak w miejscu docelowym mog\u0105 pojawia\u0107 si\u0119 nie w kolejno\u015bci lub w seriach, w zale\u017cno\u015bci od drga\u0144.<\/p>\n\n\n\n<p>Kompleksowa ocena sieci b\u0119dzie przydatna w okre\u015bleniu, czy te wska\u017aniki s\u0105 zbli\u017cone do standardu, czy nie.&nbsp;Ustawienia QoS mog\u0105 cz\u0119\u015bciowo zaj\u0105\u0107 si\u0119 op\u00f3\u017anieniami, ale inne rozwi\u0105zania obejmuj\u0105 zarz\u0105dzanie sieci\u0105 w oparciu o zasady, prze\u0142\u0105czanie etykiet wieloprotoko\u0142owych lub rezerwacj\u0119 przepustowo\u015bci.&nbsp;W przypadku jittera skutecznym rozwi\u0105zaniem jest zainstalowanie bufora jittera lub identyfikacja i eliminacja \u017ar\u00f3d\u0142a jittera.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ZDOB\u0104D\u0179 SPECJALISTYCZNY SPRZ\u0118T VOIP<\/h2>\n\n\n\n<p>Czasami dostawcy zapewniaj\u0105 firmy, \u017ce mog\u0105 u\u017cywa\u0107 swojego obecnego sprz\u0119tu z adapterami i zestawami s\u0142uchawkowymi z technologi\u0105 VoIP.&nbsp;Z technicznego punktu widzenia jest to prawd\u0105, ale przy u\u017cyciu takich urz\u0105dze\u0144 nie zawsze mo\u017cna uzyska\u0107 optymaln\u0105 jako\u015b\u0107 po\u0142\u0105cze\u0144.&nbsp;Je\u015bli firma musi natychmiast rozpocz\u0105\u0107 korzystanie z VoIP przy mo\u017cliwie najni\u017cszych kosztach, takie podej\u015bcie by\u0142oby w\u0142a\u015bciwe.<\/p>\n\n\n\n<p>Jednak nawet je\u015bli na pocz\u0105tku by\u0142o to najbardziej op\u0142acalne podej\u015bcie, z czasem lepiej jest modernizowa\u0107 sprz\u0119t, taki jak telefony stacjonarne, routery itp., w miar\u0119 mo\u017cliwo\u015bci i kiedy firma mo\u017ce sobie na to pozwoli\u0107.&nbsp;Niezale\u017cnie od tego, ile optymalizacji lub ustawie\u0144 oprogramowania zostanie zmienionych, poprawa jako\u015bci d\u017awi\u0119ku na z\u0142ym sprz\u0119cie mo\u017ce by\u0107 trudna.<\/p>\n\n\n\n<p>Istnieje wiele czynnik\u00f3w wp\u0142ywaj\u0105cych na d\u017awi\u0119k VoIP. To by\u0142o tylko kilka krok\u00f3w, kt\u00f3re mo\u017cna wykona\u0107, aby poprawi\u0107 jako\u015b\u0107 po\u0142\u0105cze\u0144 w przypadku wdro\u017ce\u0144 VoIP.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pomimo innowacji i post\u0119pu w bran\u017cy VoIP w ci\u0105gu ostatniej dekady, wielu mened\u017cer\u00f3w nadal wierzy w utrwalony mit, \u017ce jako\u015b\u0107 d\u017awi\u0119ku w [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":37437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[294],"tags":[],"class_list":["post-28883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-doswiadczenie-klienta"],"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>Jak poprawi\u0107 jako\u015b\u0107 d\u017awi\u0119ku VoIP &#183; 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