1.0Faster.czhttps://www.faster.cz/en/rich600338<blockquote class="wp-embedded-content" data-secret="WE2fVAOizs"><a href="https://www.faster.cz/en/zarizeni/prevodnik-isdn-na-voip-isdn2-isdn30/">ISDN to VoIP converter (ISDN2 / ISDN30)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.faster.cz/en/zarizeni/prevodnik-isdn-na-voip-isdn2-isdn30/embed/#?secret=WE2fVAOizs" width="600" height="338" title="“ISDN to VoIP converter (ISDN2 / ISDN30)” — Faster.cz" data-secret="WE2fVAOizs" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.faster.cz/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://www.faster.cz/wp-content/uploads/2023/10/pattonbri-200x200-1.jpg200200if you have an ISDN PBX and do not want to invest in an IP PBX this converter is suitable for connecting ISDN PBXs that have BRI port(s) or PRI port(s) on the input reliable technology from Patton Electronics