{"id":7470,"date":"2026-10-12T13:04:30","date_gmt":"2026-10-12T11:04:30","guid":{"rendered":"https:\/\/eu.klytic.com\/zabezpeceni-ip-telefonie-podvody\/"},"modified":"2026-10-12T16:14:41","modified_gmt":"2026-10-12T14:14:41","slug":"zabezpeceni-ip-telefonie-podvody","status":"publish","type":"page","link":"https:\/\/eu.klytic.com\/cs\/zabezpeceni-ip-telefonie-podvody\/","title":{"rendered":"Zabezpe\u010den\u00ed IP telefonie a omezen\u00ed podvod\u016f"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7470\" class=\"elementor elementor-7470 elementor-6309\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7f1ba6 e-con-full kly-g e-flex e-con e-parent\" data-id=\"a7f1ba6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0d6b0a5 e-con-full kly-g-hero e-flex e-con e-parent\" data-id=\"0d6b0a5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-a5619de e-con-full kly-g-hero-in e-flex e-con e-parent\" data-id=\"a5619de\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d67eb6e elementor-widget elementor-widget-text-editor\" data-id=\"d67eb6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-crumb\"><a href=\"\/\">Dom\u016f<\/a><span>\u203a<\/span>P\u0159\u00edru\u010dky<span>\u203a<\/span>Telefonie<\/p><p class=\"kly-g-pill\" style=\"--pill:#fb7185\">Telefonie \u00b7 Pochopit<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc761c0 elementor-widget elementor-widget-heading\" data-id=\"fc761c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Zabezpe\u010den\u00ed IP telefonie a omezen\u00ed podvod\u016f<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b136ffa elementor-widget elementor-widget-text-editor\" data-id=\"b136ffa\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-lead\">Telefonn\u00ed podvod nekrade soubory: uskute\u010d\u0148uje hovory, \u010dasto do zahrani\u010d\u00ed nebo na zpoplatn\u011bn\u00e1 \u010d\u00edsla, na \u00fa\u010det firmy. Vyu\u017e\u00edv\u00e1 \u00fa\u010det se slab\u00fdm heslem, vystavenou \u00fast\u0159ednu nebo p\u0159\u00edli\u0161 voln\u00e1 pravidla vol\u00e1n\u00ed. N\u011bkolik jednoduch\u00fdch kontrol a sledov\u00e1n\u00ed pou\u017e\u00edv\u00e1n\u00ed riziko v\u00fdrazn\u011b sni\u017euje.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84c2e1d elementor-widget elementor-widget-text-editor\" data-id=\"84c2e1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-meta\"><span>Aktualizov\u00e1no: <b>\u0159\u00edjen 2026<\/b><\/span><span><b>7 min<\/b><\/span><span>Citovan\u00e9 ofici\u00e1ln\u00ed zdroje<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3502d52 e-con-full kly-g-body e-flex e-con e-parent\" data-id=\"3502d52\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-d6fc8d0 e-con-full kly-g-article e-flex e-con e-parent\" data-id=\"d6fc8d0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1a6081 elementor-widget elementor-widget-text-editor\" data-id=\"e1a6081\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Kolik stoj\u00ed podvod na \u00fast\u0159edn\u011b<\/h2><p>Zneu\u017eit\u00ed telefonn\u00ed \u00fast\u0159edny nen\u00ed nic nov\u00e9ho; mluv\u00ed se tak\u00e9 o phreakingu. Praktick\u00fd informa\u010dn\u00ed list zve\u0159ejn\u011bn\u00fd v r\u00e1mci podnikatelsk\u00fdch workshop\u016f Arcep popisuje jeho nej\u010dast\u011bj\u0161\u00ed podobu: zneu\u017eit\u00ed linek k vol\u00e1n\u00ed do zahrani\u010d\u00ed, na zpoplatn\u011bn\u00e1 \u010d\u00edsla, pomoc\u00ed automaticky spou\u0161t\u011bn\u00fdch hovor\u016f. Podvodn\u00edk na t\u011bchto \u010d\u00edslech vyd\u011bl\u00e1v\u00e1.<\/p><p>Tent\u00fd\u017e list uv\u00e1d\u00ed p\u0159\u00edpad rady jednoho departementu, kter\u00e1 v listopadu 2015 obdr\u017eela fakturu na 43 000 \u20ac za podvodn\u00e9 hovory do Afriky. \u0158\u00e1d \u010d\u00e1stky sta\u010d\u00ed k pochopen\u00ed, o co jde: faktura p\u0159ijde firm\u011b, jej\u00ed\u017e linka byla zneu\u017eita, n\u011bkdy a\u017e n\u011bkolik t\u00fddn\u016f po \u010dinu.<\/p><p>List tak\u00e9 uv\u00e1d\u00ed, \u017ee \u00fast\u0159edny, PABX nebo IP \u00fast\u0159edny, jsou obl\u00edben\u00fdm c\u00edlem, proto\u017ee jejich zabezpe\u010den\u00ed se \u010dasto sleduje m\u00e9n\u011b ne\u017e zabezpe\u010den\u00ed IT server\u016f. \u00dast\u0159edna instalovan\u00e1 p\u0159ed lety, u kter\u00e9 nikdo nezm\u011bnil hesla, je p\u0159esn\u011b to, co podvodn\u00edk hled\u00e1.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9051237 elementor-widget elementor-widget-text-editor\" data-id=\"9051237\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Co je vystaveno riziku<\/h2><p>IP telefonie mus\u00ed p\u0159ij\u00edmat p\u0159ipojen\u00ed z internetu: d\u00edky tomu m\u016f\u017ee zam\u011bstnanec na cest\u00e1ch volat z aplikace ve sv\u00e9m telefonu. Riziko soust\u0159ed\u00ed t\u0159i vstupn\u00ed body.<\/p><ul><li><strong>\u00da\u010dty, kter\u00e9 se registruj\u00ed z internetu.<\/strong> Ka\u017ed\u00fd telefon, softphone nebo aplikace se k \u00fast\u0159edn\u011b p\u0159ipojuje pomoc\u00ed identifik\u00e1toru a tajn\u00e9ho kl\u00ed\u010de. Pokud je tento kl\u00ed\u010d kr\u00e1tk\u00fd, v\u00fdchoz\u00ed nebo pou\u017e\u00edvan\u00fd opakovan\u011b, lze ho uhodnout nebo hromadn\u011b zkou\u0161et.<\/li><li><strong>Hesla ke spr\u00e1v\u011b a k hlasov\u00e9 schr\u00e1nce.<\/strong> Pokud z\u016fstanou na hodnot\u011b z instalace, otev\u00edraj\u00ed p\u0159\u00edstup k nastaven\u00ed, v\u010detn\u011b p\u0159esm\u011brov\u00e1n\u00ed ven. List Arcep \u017e\u00e1d\u00e1 zm\u011bnit v\u0161echna hesla hned p\u0159i instalaci a pot\u00e9 pravideln\u011b.<\/li><li><strong>P\u0159\u00edli\u0161 voln\u00e1 pravidla vol\u00e1n\u00ed.<\/strong> Telefon na recepci, ze kter\u00e9ho lze volat do jak\u00e9koli zem\u011b a kdykoli, prom\u011bn\u00ed odcizen\u00fd \u00fa\u010det v linku otev\u0159enou do cel\u00e9ho sv\u011bta.<\/li><\/ul><p>\u010ctvrt\u00fdm bodem je p\u0159ipojen\u00ed k oper\u00e1torovi, SIP trunk. Jeho p\u0159ihla\u0161ovac\u00ed \u00fadaje d\u00e1vaj\u00ed p\u0159\u00edstup k v\u00fdstupu do ve\u0159ejn\u00e9 s\u00edt\u011b. Nikdy se nesm\u011bj\u00ed pou\u017e\u00edvat jinde ne\u017e na \u00fast\u0159edn\u011b.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd43501 elementor-widget elementor-widget-text-editor\" data-id=\"fd43501\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Sn\u00ed\u017een\u00ed rizika<\/h2><p>\u00da\u010dinn\u00fdch kontrol nen\u00ed mnoho. List Arcep klade d\u016fraz na hesla, z\u00e1sady pou\u017e\u00edv\u00e1n\u00ed, aktualizace a sledov\u00e1n\u00ed. V p\u0159\u00edpad\u011b IP telefonie to znamen\u00e1 n\u00e1sleduj\u00edc\u00ed.<\/p><ol><li><strong>Dlouh\u00e9 a jedine\u010dn\u00e9 tajn\u00e9 kl\u00ed\u010de<\/strong> pro ka\u017ed\u00fd \u00fa\u010det telefonu, zm\u011bn\u011bn\u00e9 p\u0159i instalaci a pak p\u0159i ka\u017ed\u00e9m odchodu zam\u011bstnance nebo podez\u0159en\u00ed. K\u00f3dy hlasov\u00e9 schr\u00e1nky nez\u016fst\u00e1vaj\u00ed na v\u00fdchoz\u00ed hodnot\u011b.<\/li><li><strong>Opr\u00e1vn\u011bn\u00ed k vol\u00e1n\u00ed podle profilu.<\/strong> Telefon, kter\u00fd nepot\u0159ebuje volat do zahrani\u010d\u00ed, k tomu nem\u00e1 p\u0159\u00edstup. Zpoplatn\u011bn\u00e1 \u010d\u00edsla jsou ve v\u00fdchoz\u00edm nastaven\u00ed blokov\u00e1na. P\u0159esm\u011brov\u00e1n\u00ed ven je povoleno jen osob\u00e1m, kter\u00e9 ho pot\u0159ebuj\u00ed.<\/li><li><strong>\u010casov\u00e1 okna.<\/strong> Hovory do drah\u00fdch destinac\u00ed lze omezit na pracovn\u00ed dobu, kdy si anom\u00e1lie m\u016f\u017ee n\u011bkdo v\u0161imnout.<\/li><li><strong>\u0160ifrov\u00e1n\u00ed mezi telefony a platformou<\/strong>, TLS pro signalizaci a SRTP pro hlas. Zabra\u0148uje \u010dten\u00ed p\u0159ihla\u0161ovac\u00edch \u00fadaj\u016f a rozhovor\u016f na cest\u011b, nap\u0159\u00edklad ve ve\u0159ejn\u00e9 s\u00edti Wi-Fi.<\/li><li><strong>Aktualizace<\/strong> \u00fast\u0159edny, telefon\u016f a aplikac\u00ed, sledovan\u00e9 v r\u00e1mci smlouvy o provozu.<\/li><li><strong>Neve\u0159ejn\u00e9 spr\u00e1vcovsk\u00e9 rozhran\u00ed<\/strong>, p\u0159\u00edstupn\u00e9 pouze z identifikovan\u00fdch adres nebo \u00fa\u010dt\u016f, s dvoufaktorov\u00fdm ov\u011b\u0159en\u00edm, pokud je k dispozici.<\/li><\/ol><p>O t\u011bchto opat\u0159en\u00edch se rozhoduje na \u00farovni organizace, spole\u010dn\u011b s provozovatelem \u00fast\u0159edny. Od u\u017eivatel\u016f nevy\u017eaduj\u00ed \u017e\u00e1dn\u00e9 zvl\u00e1\u0161tn\u00ed technick\u00e9 znalosti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-148e22c elementor-widget elementor-widget-text-editor\" data-id=\"148e22c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Zn\u00e1mky zneu\u017eit\u00e9ho \u00fa\u010dtu<\/h2><p>Zneu\u017eit\u00fd \u00fa\u010det se projev\u00ed nejd\u0159\u00edv v pou\u017e\u00edv\u00e1n\u00ed, z\u0159\u00eddka v bezpe\u010dnostn\u00edch protokolech. Sign\u00e1ly, kter\u00e9 je t\u0159eba sledovat:<\/p><ul><li>neobvykl\u00fd objem odchoz\u00edch hovor\u016f u jednoho telefonu nebo u cel\u00e9 \u00fast\u0159edny;<\/li><li>destinace, kam se nikdy p\u0159edt\u00edm nevolalo, zejm\u00e9na do zahrani\u010d\u00ed nebo na zpoplatn\u011bn\u00e1 \u010d\u00edsla;<\/li><li>s\u00e9rie kr\u00e1tk\u00fdch opakovan\u00fdch hovor\u016f;<\/li><li>aktivita v dob\u011b, kdy je kancel\u00e1\u0159 zav\u0159en\u00e1, v noci nebo o v\u00edkendu;<\/li><li>telefon, kter\u00fd se p\u0159ipojuje z neobvykl\u00e9 zem\u011b nebo s\u00edt\u011b;<\/li><li>p\u0159esm\u011brov\u00e1n\u00ed hovor\u016f ven, o kter\u00e9 nikdo ne\u017e\u00e1dal.<\/li><\/ul><p>Tyto zn\u00e1mky lze vy\u010d\u00edst z historie hovor\u016f, pokud se do n\u00ed n\u011bkdo d\u00edv\u00e1. Proto list Arcep doporu\u010duje tak\u00e9 zeptat se oper\u00e1tora, zda analyzuje provoz a p\u0159eru\u0161uje hovory do neobvykl\u00fdch destinac\u00ed, zejm\u00e9na mimo pracovn\u00ed dobu. Automatick\u00e1 detekce neobvykl\u00e9ho pou\u017e\u00edv\u00e1n\u00ed na stran\u011b provozovatele nebo oper\u00e1tora je spolehliv\u011bj\u0161\u00ed ne\u017e ru\u010dn\u00ed kontrola.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39ae8d7 elementor-widget elementor-widget-text-editor\" data-id=\"39ae8d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Co d\u011blat p\u0159i prvn\u00edm sign\u00e1lu<\/h2><p>Prioritou je zastavit v\u00fddaje a pak pochopit, co se stalo.<\/p><ol><li><strong>Zablokujte<\/strong> dot\u010den\u00fd \u00fa\u010det nebo p\u0159\u00edslu\u0161n\u00e9 destinace, ani\u017e byste \u010dekali na konec anal\u00fdzy.<\/li><li><strong>Zm\u011b\u0148te tajn\u00e9 kl\u00ed\u010de<\/strong> \u00fa\u010dtu a v\u0161ech \u00fa\u010dt\u016f, kter\u00e9 sd\u00edlely stejn\u00e9 heslo.<\/li><li><strong>Projd\u011bte historii<\/strong>, abyste zjistili za\u010d\u00e1tek zneu\u017eit\u00ed a sepsali volan\u00e1 \u010d\u00edsla.<\/li><li><strong>Upozorn\u011bte oper\u00e1tora<\/strong>, kter\u00fd \u00fast\u0159ednu p\u0159ipojuje, aby zablokoval destinace a zdokumentoval vy\u00fa\u010dtovan\u00e9 hovory.<\/li><li><strong>Zkontrolujte p\u0159esm\u011brov\u00e1n\u00ed<\/strong> a zm\u011bn\u011bn\u00e1 nastaven\u00ed a pot\u00e9 postupn\u011b znovu povolte pot\u0159ebn\u00e1 opr\u00e1vn\u011bn\u00ed.<\/li><\/ol><p>Pod\u00e1n\u00ed trestn\u00edho ozn\u00e1men\u00ed m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9, zejm\u00e9na pro n\u00e1sledn\u00e1 jedn\u00e1n\u00ed o faktu\u0159e. V\u00e1\u0161 pr\u00e1vn\u00ed poradce v\u00e1m \u0159ekne, zda je ve va\u0161em p\u0159\u00edpad\u011b vhodn\u00e9.<\/p><p>Tento pr\u016fvodce popisuje kontroly, nikoli techniky \u00fatoku. Podrobn\u00e9 provozn\u00ed parametry se nastavuj\u00ed s provozovatelem va\u0161\u00ed \u00fast\u0159edny.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c629087 elementor-widget elementor-widget-text-editor\" data-id=\"c629087\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>P\u0159\u00edklad: kancel\u00e1\u0159 zav\u0159en\u00e1 o v\u00edkendu<\/h2><p>Hypotetick\u00fd p\u0159\u00edpad. V pond\u011bl\u00ed r\u00e1no obdr\u017e\u00ed vedouc\u00ed kancel\u00e1\u0159e s osmi lidmi upozorn\u011bn\u00ed od sv\u00e9ho dodavatele: telefon v zasedac\u00ed m\u00edstnosti uskute\u010dnil v ned\u011bli mezi 2. a 5. hodinou r\u00e1no des\u00edtky kr\u00e1tk\u00fdch hovor\u016f do stejn\u00e9 zem\u011b. \u00da\u010det byl po n\u011bkolika minut\u00e1ch automaticky deaktivov\u00e1n.<\/p><p>Kancel\u00e1\u0159 zm\u011bn\u00ed tajn\u00fd kl\u00ed\u010d telefonu, zjist\u00ed, \u017ee nikdy nepot\u0159ebovala volat do zahrani\u010d\u00ed, a toto opr\u00e1vn\u011bn\u00ed odebere. Podvod st\u00e1l n\u011bkolik minut hovor\u016f m\u00edsto cel\u00e9ho v\u00edkendu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0645a9a elementor-widget elementor-widget-text-editor\" data-id=\"0645a9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u010cast\u00e9 dotazy<\/h2><h3>Je hostovan\u00e1 \u00fast\u0159edna m\u00e9n\u011b vystaven\u00e1 riziku ne\u017e IP \u00fast\u0159edna u v\u00e1s?<\/h3><p>Provozovatel ji sleduje a aktualizuje, \u010d\u00edm\u017e odpad\u00e1 zapomenut\u00e1 \u00fast\u0159edna. \u00da\u010dty a pravidla vol\u00e1n\u00ed je v\u0161ak st\u00e1le t\u0159eba nastavit. Viz <a href='\/cs\/voip-sip-ip-ustredna-ucaas\/'>VoIP, SIP, IP \u00fast\u0159edna a UCaaS<\/a>.<\/p><h3>Kdo plat\u00ed podvodn\u00e9 hovory?<\/h3><p>Faktura je adresov\u00e1na dr\u017eiteli linky. P\u0159\u00edpadn\u00e9 rozd\u011blen\u00ed n\u00e1klad\u016f z\u00e1vis\u00ed na smlouv\u00e1ch s oper\u00e1torem a provozovatelem: projd\u011bte si je p\u0159ed incidentem.<\/p><h3>Sta\u010d\u00ed \u0161ifrov\u00e1n\u00ed proti podvod\u016fm?<\/h3><p>Ne. Chr\u00e1n\u00ed cestu. \u00da\u010det se slab\u00fdm heslem m\u016f\u017ee t\u0159et\u00ed strana pou\u017e\u00edt i p\u0159es \u0161ifrovan\u00e9 spojen\u00ed.<\/p><h3>P\u0159edstavuj\u00ed riziko i nahr\u00e1vky?<\/h3><p>Ano, pokud k nim m\u00e1 p\u0159\u00edstup p\u0159\u00edli\u0161 mnoho lid\u00ed. Viz <a href='\/cs\/pristup-k-nahravkam-hovoru\/'>Kdo m\u016f\u017ee v Klytic Tel poslouchat nahr\u00e1vky<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ba8d29 kly-g-klytic elementor-widget elementor-widget-text-editor\" data-id=\"1ba8d29\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Kde se nach\u00e1z\u00ed Klytic<\/h2><p>S Klytic Tel m\u00e1 ka\u017ed\u00e1 organizace vlastn\u00ed telefonn\u00ed server: zneu\u017eit\u00fd \u00fa\u010det u jin\u00e9ho z\u00e1kazn\u00edka ned\u00e1v\u00e1 p\u0159\u00edstup k va\u0161emu. Klytic tento server provozuje, sleduje jeho aktualizace a monitoruje ho, a\u0165 je hostov\u00e1n v cloudu Klytic, nebo instalov\u00e1n u v\u00e1s.<\/p><p>Komunikace mezi telefony nebo aplikacemi a platformou je \u0161ifrov\u00e1na pomoc\u00ed SRTP a TLS. Tarify pro pevn\u00e9 vol\u00e1n\u00ed nab\u00edzen\u00e9 Klyticem zahrnuj\u00ed ochranu proti podvod\u016fm d\u00edky detekci neobvykl\u00e9ho pou\u017e\u00edv\u00e1n\u00ed. Jde o kontrolu ze strany provozovatele, nikoli o p\u0159ehled, kter\u00fd byste si museli sestavit sami.<\/p><p>P\u0159esn\u00e1 m\u00edra vystaven\u00ed riziku z\u00e1vis\u00ed na p\u0159ipojen\u00ed. Pokud si ponech\u00e1te sv\u00e9ho oper\u00e1tora, \u010d\u00e1st dohledu nad v\u00fdstupem do ve\u0159ejn\u00e9 s\u00edt\u011b spad\u00e1 i pod n\u011bj: zeptejte se ho, co zaji\u0161\u0165uje. Opr\u00e1vn\u011bn\u00ed k vol\u00e1n\u00ed podle profilu a \u010dasov\u00e1 okna se stanovuj\u00ed s Klyticem p\u0159i spu\u0161t\u011bn\u00ed slu\u017eby. Podpora odpov\u00edd\u00e1 telefonicky ve francouz\u0161tin\u011b a e-mailem ve v\u0161ech jazyc\u00edch prost\u0159ednictv\u00edm tiketov\u00e9ho syst\u00e9mu.<\/p><p>Klytic nen\u00ed nab\u00eddkou s kvalifikac\u00ed SecNumCloud a \u017e\u00e1dn\u00e1 slu\u017eba riziko podvodu zcela neodstran\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-249addc kly-g-sources elementor-widget elementor-widget-text-editor\" data-id=\"249addc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Zdroje<\/h2><p>Ov\u011b\u0159eno v \u0159\u00edjnu 2026.<\/p><ul><li>Arcep, praktick\u00fd informa\u010dn\u00ed list \u201eLa fraude t\u00e9l\u00e9phonique : une menace pour les entreprises\u201c (Telefonn\u00ed podvody: hrozba pro firmy), z podnikatelsk\u00fdch workshop\u016f (aktualizace z 2. kv\u011btna 2016): zneu\u017eit\u00ed linek k vol\u00e1n\u00ed na zpoplatn\u011bn\u00e1 \u010d\u00edsla v zahrani\u010d\u00ed, p\u0159\u00edklad faktury na 43 000 \u20ac, doporu\u010den\u00ed t\u00fdkaj\u00edc\u00ed se hesel, z\u00e1sad pou\u017e\u00edv\u00e1n\u00ed, aktualizac\u00ed a anal\u00fdzy provozu oper\u00e1torem. <a href='https:\/\/www.arcep.fr\/uploads\/tx_gspublication\/fiche_pratique-EBEN-fraude_telephonique_entreprises_oct2016.pdf' rel='noopener' target='_blank'>arcep.fr<\/a><\/li><li>IETF, RFC 3261, \u201eSIP: Session Initiation Protocol\u201c: SIP je signaliza\u010dn\u00ed protokol aplika\u010dn\u00ed vrstvy, kter\u00fd navazuje, upravuje a ukon\u010duje relace, v\u010detn\u011b hovor\u016f. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc3261' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>Klytic, str\u00e1nka Klytic Tel: dedikovan\u00fd server, \u0161ifrov\u00e1n\u00ed SRTP a TLS, ochrana proti podvod\u016fm d\u00edky detekci neobvykl\u00e9ho pou\u017e\u00edv\u00e1n\u00ed u tarif\u016f pro pevn\u00e9 vol\u00e1n\u00ed. <a href='https:\/\/www.klytic.com\/telephonie\/' rel='noopener' target='_blank'>klytic.com<\/a><\/li><li>Klytic, Bezpe\u010dnost &amp; z\u00e1lohov\u00e1n\u00ed: nep\u0159etr\u017eit\u00fd monitoring, bezpe\u010dnostn\u00ed aktualizace sledovan\u00e9 t\u00fdmem Klytic. <a href='https:\/\/www.klytic.com\/securite-sauvegarde\/' rel='noopener' target='_blank'>klytic.com<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d0e5da e-con-full kly-g-aside e-flex e-con e-parent\" data-id=\"1d0e5da\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-65f74c2 elementor-widget elementor-widget-html\" data-id=\"65f74c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<nav class=\"kly-g-toc\" aria-label=\"Na t\u00e9to str\u00e1nce\"><p>Na t\u00e9to str\u00e1nce<\/p><ol><\/ol><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e9a7da elementor-widget elementor-widget-text-editor\" data-id=\"9e9a7da\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"kly-g-cta\"><h3>Zhodno\u0165te svou telefonii<\/h3><p>Spole\u010dn\u011b s v\u00e1mi projdeme opr\u00e1vn\u011bn\u00ed k vol\u00e1n\u00ed, \u00fa\u010dty a p\u0159ipojen\u00ed va\u0161\u00ed \u00fast\u0159edny.<\/p><p><a class=\"kly-g-btn\" href=\"\/cs\/kontakt\/\">Promluvit si s poradcem \u2192<\/a><\/p><p style=\"margin:0\"><a class=\"kly-g-btn ghost\" href=\"\/cs\/klytic-tel\/\">Seznamte se s Klytic Tel<\/a><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7b48a04 e-con-full kly-g-related e-flex e-con e-parent\" data-id=\"7b48a04\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d232525 elementor-widget elementor-widget-text-editor\" data-id=\"d232525\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>P\u0159e\u010dt\u011bte si tak\u00e9<\/h2><div class=\"kly-g-grid\"><a class=\"kly-g-card\" href=\"\/cs\/voip-sip-ip-ustredna-ucaas\/\" style=\"--cat:#e11d48\"><span class=\"c\">Pochopit \u00b7 Telefonie<\/span><span class=\"t\">VoIP, SIP, IP \u00fast\u0159edna a UCaaS: jakou architekturu zvolit<\/span><span class=\"q\">VoIP, SIP, IP \u00fast\u0159edna, UCaaS: definice u\u017eite\u010dn\u00e9 p\u0159i n\u00e1kupu, volba mezi sd\u00edlenou slu\u017ebou, dedikovan\u00fdm serverem a instalac\u00ed u v\u00e1s a v\u00edce lokalit.<\/span><span class=\"m\"><span>7 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/cs\/data-firemni-telefonie\/\" style=\"--cat:#e11d48\"><span class=\"c\">Pochopit \u00b7 Telefonie<\/span><span class=\"t\">Co telefonn\u00ed platforma v\u00ed o va\u0161\u00ed firm\u011b<\/span><span class=\"q\">Hovor zanech\u00e1v\u00e1 stopy i bez nahr\u00e1v\u00e1n\u00ed: historie, adres\u00e1\u0159, hlasov\u00e9 zpr\u00e1vy, protokoly, z\u00e1lohy. Kdo je m\u00e1 v dr\u017een\u00ed a kdo vid\u00ed \u010d\u00edsla.<\/span><span class=\"m\"><span>7 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/cs\/pristup-k-nahravkam-hovoru\/\" style=\"--cat:#e11d48\"><span class=\"c\">Pou\u017e\u00edvat \u00b7 Telefonie<\/span><span class=\"t\">Kdo m\u016f\u017ee v Klytic Tel poslouchat nahr\u00e1vky<\/span><span class=\"q\">Kde jsou va\u0161e nahr\u00e1vky v Klytic Tel, jak vyhradit poslech n\u011bkolika osob\u00e1m, kter\u00e9 linky nahr\u00e1vat a jak je to s hlasovou zpr\u00e1vou doru\u010denou e-mailem.<\/span><span class=\"m\"><span>5 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-539316dd e-con e-atomic-element e-div-block-base e-default-div e-c9fd865-4a50 \" data-id=\"539316dd\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"539316dd\" data-e-type=\"e-div-block\" data-id=\"539316dd\">\n    <div class=\"elementor-element elementor-element-4f79afcb e-con e-atomic-element e-div-block-base e-default-div e-4fa9fe-ce86 \" data-id=\"4f79afcb\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"4f79afcb\" data-e-type=\"e-div-block\" data-id=\"4f79afcb\">\n    \t\t\t<p class=\"e-4dcf5c70-2ec7 e-paragraph-base e-default-p\" data-interaction-id=\"330a7a35\" data-e-type=\"widget\" data-id=\"330a7a35\">Uv\u00edtac\u00ed nab\u00eddka<\/p>\n\t\t\t\t\t<h2 data-interaction-id=\"56f1f7d5\" class=\"e-347faa43-4e20 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"56f1f7d5\">30 dn\u00ed zku\u0161ebn\u00ed verze zdarma a migrace s asistenc\u00ed<\/h2>\n\t\t\t\t\t<p class=\"e-7f6310da-1caa e-paragraph-base e-default-p\" data-interaction-id=\"2ce27288\" data-e-type=\"widget\" data-id=\"2ce27288\">Zku\u0161ebn\u00ed nab\u00eddka bez z\u00e1vazk\u016f. N\u00e1\u0161 poradce v\u00e1m zavol\u00e1, aby poznal va\u0161e pot\u0159eby a p\u0159ipravil va\u0161e prost\u0159ed\u00ed Klytic.<\/p>\n\t\t<div class=\"elementor-element elementor-element-35ea29a1 e-con e-atomic-element e-div-block-base e-default-div e-1cd48b22-e6da \" data-id=\"35ea29a1\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"35ea29a1\" data-e-type=\"e-div-block\" data-id=\"35ea29a1\">\n    \t\t\t<a href=\"\/essai-gratuit\/\" target=\"_self\" class=\"e-4a7886e3-652d e-button-base e-default-a\" data-interaction-id=\"19bfa8f1\" data-e-type=\"widget\" data-id=\"19bfa8f1\">\n\t\ud83d\ude80 Zah\u00e1jit zku\u0161ebn\u00ed verzi zdarma\n<\/a>\n\t\t\t\t\t<a href=\"\/tarifs\/\" target=\"_self\" class=\"e-137e863d-dd0d e-button-base e-default-a\" data-interaction-id=\"326d82ab\" data-e-type=\"widget\" data-id=\"326d82ab\">\n\tZobrazit cen\u00edk\n<\/a>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"Zabezpe\u010den\u00ed IP telefonie a omezen\u00ed podvod\u016f | Klytic","_seopress_titles_desc":"Vystaven\u00e1 IP \u00fast\u0159edna, zneu\u017eit\u00fd SIP \u00fa\u010det, zpoplatn\u011bn\u00e9 hovory: co je zraniteln\u00e9, kontroly, kter\u00e9 omezuj\u00ed podvody, a co d\u011blat p\u0159i prvn\u00edm sign\u00e1lu.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"Zabezpe\u010den\u00ed IP telefonie a omezen\u00ed podvod\u016f | Klytic","_seopress_social_fb_desc":"Vystaven\u00e1 IP \u00fast\u0159edna, zneu\u017eit\u00fd SIP \u00fa\u010det, zpoplatn\u011bn\u00e9 hovory: co je zraniteln\u00e9, kontroly, kter\u00e9 omezuj\u00ed podvody, a co d\u011blat p\u0159i prvn\u00edm sign\u00e1lu.","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"Zabezpe\u010den\u00ed IP telefonie a omezen\u00ed podvod\u016f | Klytic","_seopress_social_twitter_desc":"Vystaven\u00e1 IP \u00fast\u0159edna, zneu\u017eit\u00fd SIP \u00fa\u010det, zpoplatn\u011bn\u00e9 hovory: co je zraniteln\u00e9, kontroly, kter\u00e9 omezuj\u00ed podvody, a co d\u011blat p\u0159i prvn\u00edm sign\u00e1lu.","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-7470","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages\/7470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/comments?post=7470"}],"version-history":[{"count":0,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages\/7470\/revisions"}],"wp:attachment":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/media?parent=7470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}