{"id":23457,"date":"2023-03-22T12:47:24","date_gmt":"2023-03-22T11:47:24","guid":{"rendered":"https:\/\/fonvirtual.com\/en\/?p=23457"},"modified":"2026-07-28T18:48:41","modified_gmt":"2026-07-28T16:48:41","slug":"call-encryption-webrtc","status":"publish","type":null,"link":"https:\/\/fonvirtual.com\/en\/blog\/call-encryption-webrtc\/","title":{"rendered":"Call Encryption with WebRTC"},"content":{"rendered":"<style id=\"fv-tb-hide\">.et_pb_row_inner_1_tb_body,.et_pb_image_0_tb_body{display:none!important}<\/style>\n<div id=\"fv-meta-share\" style=\"position:relative;background:#fff;border:1px solid #ececf1;border-radius:12px;box-shadow:0 4px 18px rgba(20,20,60,0.05);padding:16px 18px;margin:0 0 24px 0;max-width:760px;font-family:inherit;\">\n<div style=\"display:flex;flex-wrap:wrap;align-items:center;gap:13px;\"><a href=\"https:\/\/fonvirtual.com\/en\/profile-of-emma-smith\/\" style=\"display:inline-flex;align-items:center;gap:10px;text-decoration:none;\"><img loading=\"lazy\" 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hit send.<\/div>\n<div style=\"display:flex;flex-wrap:wrap;gap:10px;padding-left:8px;\"><a data-ai=\"https:\/\/chatgpt.com\/?q=\" target=\"_blank\" rel=\"nofollow noopener\" style=\"display:inline-flex;align-items:center;gap:8px;background:transparent;color:#2b2f3a;text-decoration:none;font-size:13px;font-weight:600;padding:9px 16px;border:1px solid #dcdce4;border-radius:26px;line-height:1;\"><span style=\"width:8px;height:8px;border-radius:50%;background:#12a37f;display:inline-block;\"><\/span>ChatGPT<\/a><a data-ai=\"https:\/\/claude.ai\/new?q=\" target=\"_blank\" rel=\"nofollow noopener\" style=\"display:inline-flex;align-items:center;gap:8px;background:transparent;color:#2b2f3a;text-decoration:none;font-size:13px;font-weight:600;padding:9px 16px;border:1px solid #dcdce4;border-radius:26px;line-height:1;\"><span style=\"width:8px;height:8px;border-radius:50%;background:#d97757;display:inline-block;\"><\/span>Claude<\/a><a data-ai=\"https:\/\/www.perplexity.ai\/search?q=\" target=\"_blank\" rel=\"nofollow noopener\" style=\"display:inline-flex;align-items:center;gap:8px;background:transparent;color:#2b2f3a;text-decoration:none;font-size:13px;font-weight:600;padding:9px 16px;border:1px solid #dcdce4;border-radius:26px;line-height:1;\"><span style=\"width:8px;height:8px;border-radius:50%;background:#1fb8a6;display:inline-block;\"><\/span>Perplexity<\/a><\/div>\n<div style=\"font-size:11.5px;color:#9a9aae;margin:14px 0 0;padding-left:8px;\">Opens in a new tab \u00b7 ChatGPT and Perplexity don&#8217;t require an account<\/div>\n<\/div>\n<p><script> (function(){ var card=document.getElementById('fv-resumen-ia'); if(!card)return; var h1=document.querySelector('article h1')||document.querySelector('h1'); var title=h1?h1.textContent.trim():document.title.replace(\/\\s*[|\\-\u2013\u2014].*$\/,'').trim(); var link=window.location.href; var enc=encodeURIComponent('Summarize this article from the Fonvirtual blog. Title: \u00ab'+title+'\u00bb. Link: '+link); card.querySelectorAll('a[data-ai]').forEach(function(a){a.href=a.getAttribute('data-ai')+enc;}); })(); <\/script><\/p>\n<p><span style=\"font-weight: 400;\">Are you concerned about the security of your communications? Are you looking for a way to secure your phone calls and communications but don&#8217;t know how? Discover what call encryption is and how Fonvirtual, through the use of WebRTC technology in all our<\/span><a href=\"https:\/\/fonvirtual.com\/en\/unified-communications\/\"><span style=\"font-weight: 400;\"> unified communications<\/span><\/a><span style=\"font-weight: 400;\"> solutions, enables professionals and companies of all sizes to communicate safely over the cloud.<\/span> <\/p>\n<h2><span style=\"font-weight: 400;\">Call encryption: what does it mean?<\/span><\/h2>\n<p> <span style=\"font-weight: 400;\">Call encryption is used to <\/span><b>secure telephone conversations over the Internet and to ensure the confidentiality of transmitted data. <\/b><span style=\"font-weight: 400;\">It consists of making data unintelligible or unreadable by transforming the text or message into codes made up of numbers and letters by means of an SRTP (Secure Real Time Transport) protocol, using a 128-bit key. This action is done by algorithms. For example the encryption of \u00abWelcome to Fonvirtual\u00bb would be: Fl\/hHmHK6tf1Ffqo2HXqwK2L5jwcciiCDnsNqToN2uimrN6FVoV58P0R2yIBFKyeE9u03N<\/span> <span style=\"font-weight: 400;\">This call encryption protocol guarantees high security: conversations are encrypted and authenticated and the integrity of messages is guaranteed.The conversations on the encrypted phones therefore become impenetrable to third parties.<\/span> <\/p>\n<h2><span style=\"font-weight: 400;\">How to encrypt a phone call?<\/span><\/h2>\n<p> <span style=\"font-weight: 400;\">There are several ways to encrypt a phone call, the most common being using a VoIP service. These services use end-to-end encryption, which means that your calls are encrypted from your device to their recipient without anyone being able to listen in on the conversation.Another way to encrypt calls is to use an application designed for it. These apps use your phone&#8217;s data connection to make calls and also encrypt calls end-to-end.<\/span> <img loading=\"lazy\" decoding=\"async\" class=\" wp-image-23459 aligncenter\" src=\"https:\/\/fonvirtual.com\/en\/wp-content\/uploads\/2023\/03\/chiffrement-appels-300x200.jpg\" alt=\"webrtc-telephony\" width=\"587\" height=\"391\" \/> <\/p>\n<h2><span style=\"font-weight: 400;\">WebRTC Telephony<\/span><\/h2>\n<p> <span style=\"font-weight: 400;\">WebRTC is a <\/span><b>technology open source<\/b><span style=\"font-weight: 400;\"> developed by Google that allows real-time communication on the Internet. Thanks to an API, the systems that work with this protocol allow<\/span><b> transmit voice and video, and even messages and files, between browsers<\/b><span style=\"font-weight: 400;\">. All without the need to install any software or plugin.<\/span> <\/p>\n<h2><span style=\"font-weight: 400;\">WEBRTC security: what guarantee does it offer for the encryption of communications?<\/span><\/h2>\n<p> <span style=\"font-weight: 400;\">The <\/span><b>WebRTC technology <\/b><span style=\"font-weight: 400;\">includes a series of functionalities that ensure that communications are carried outin<\/span><b> real time, privately and completely securely. <\/b><span style=\"font-weight: 400;\">The transmission is done through the SRTP protocol and the communication is direct, from browser to browser. The <\/span><a href=\"https:\/\/fonvirtual.com\/en\/webrtc\/\"><span style=\"font-weight: 400;\">WebRTC technology<\/span><\/a><span style=\"font-weight: 400;\"> therefore, does not use external applications or hardware components, and consequently, without the use of these external systems, it is more secure than any other communication system that requires it.<\/span> <span style=\"font-weight: 400;\">In order to be able to transfer data in real time, the process used is data encryption using the DTLS method (<\/span><i><span style=\"font-weight: 400;\">Datagram Transport Layer Security<\/span><\/i><span style=\"font-weight: 400;\">) which consists of encrypting the connections that exist between the different shared applications through the UPD (<\/span><i><span style=\"font-weight: 400;\">User Datagram Protocol<\/span><\/i><span style=\"font-weight: 400;\">). With this method ,<\/span><b>access to the information by a third party is impossible without prior authorization.<\/b> <a href=\"https:\/\/fonvirtual.com\/en\/\"><span style=\"font-weight: 400;\">Fonvirtual<\/span><\/a><span style=\"font-weight: 400;\"> uses <\/span><b>in all unified communications and professional solutions, the WebRTC protocol,<\/b><span style=\"font-weight: 400;\">which enables it to offer its customers an impeccable security and an efficient system of encrypted phones.<\/span> <span style=\"font-weight: 400;\">Through its<\/span><b> communications platform 100% integrated in the cloud<\/b><span style=\"font-weight: 400;\">, it is possible to monitor, in a single interface, all communication channels,<\/span><b>audio, video, instant messaging and fax<\/b><span style=\"font-weight: 400;\">. Call encryption and all interactions are done in <\/span><b>real time<\/b><span style=\"font-weight: 400;\">. All of these tools support mobility and enable continuity of activities in situations of <\/span><b>mobility or teleworking<\/b><span style=\"font-weight: 400;\">,as the platform can be accessed from any device and on multiple devices simultaneously.<\/span> <span style=\"font-weight: 400;\">Stop searching and <\/span><a href=\"https:\/\/fonvirtual.com\/contacto-fonvirtual\/\"><span style=\"font-weight: 400;\">contact us<\/span><\/a><span style=\"font-weight: 400;\"> to know more about our call encryption solutions and get a secure tool that will allow you to offer your customers a <\/span><b>personalized, professional and secure attention<\/b><span style=\"font-weight: 400;\">.<\/span> &nbsp;<\/p>\n<style id=\"fv-blog-cats-css\"> nav.fv-blog-cats{--fv:#f6343f;--fv-osc:#d8252f;--fv-tinta:#1a1a2e;--fv-borde:#e6e6ea;font-family:inherit;max-width:1180px;margin:28px auto 18px;padding:0 4px;text-align:center!important;} nav.fv-blog-cats .fv-cats-titulo{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#9a9aae;margin:0 0 14px;} nav.fv-blog-cats ul.fv-cats-lista{display:inline-flex;flex-wrap:wrap;justify-content:center;gap:10px 12px;list-style:none!important;margin:0;padding:0!important;text-align:center;} nav.fv-blog-cats .fv-cats-lista a{display:inline-flex!important;align-items:center;gap:7px;padding:9px 18px;border-radius:999px;border:1px solid var(--fv-borde);background:#fff!important;color:#000!important;font-size:14px;font-weight:400;line-height:1;text-decoration:none!important;white-space:nowrap;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease,transform .1s ease;} nav.fv-blog-cats .fv-cats-lista a:hover{border-color:var(--fv);color:var(--fv)!important;background:#fff5f5;box-shadow:0 4px 14px -6px rgba(246,52,63,.45);text-decoration:none!important;} nav.fv-blog-cats .fv-cats-lista a:active{transform:translateY(1px);} nav.fv-blog-cats .fv-cats-lista a:focus-visible{outline:3px solid rgba(246,52,63,.4);outline-offset:2px;} nav.fv-blog-cats .fv-cats-dot{width:8px;height:8px;border-radius:50%;background:var(--fv);opacity:1;flex-shrink:0;} nav.fv-blog-cats .fv-cats-lista a.fv-cats-activo{background:var(--fv)!important;border-color:var(--fv);color:#fff!important;box-shadow:0 6px 16px -6px rgba(246,52,63,.6);} nav.fv-blog-cats .fv-cats-lista a.fv-cats-activo:hover{background:var(--fv-osc);color:#fff!important;} nav.fv-blog-cats .fv-cats-lista a.fv-cats-activo .fv-cats-dot{opacity:1;background:#fff;} @media (max-width:600px){nav.fv-blog-cats ul.fv-cats-lista{display:flex;flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--fv-borde) transparent;}nav.fv-blog-cats .fv-cats-lista::-webkit-scrollbar{height:6px;}nav.fv-blog-cats .fv-cats-lista::-webkit-scrollbar-thumb{background:var(--fv-borde);border-radius:3px;}nav.fv-blog-cats .fv-cats-lista a{flex-shrink:0;}} <\/style>\n<nav class=\"fv-blog-cats\" aria-label=\"Blog categories\">\n<p class=\"fv-cats-titulo\">Explore by category<\/p>\n<ul class=\"fv-cats-lista\">\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/\" data-fvcat=\"\"><span class=\"fv-cats-dot\"><\/span>All<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/technology\/\" data-fvcat=\"technology\"><span class=\"fv-cats-dot\"><\/span>Technology<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/professional-communications\/\" data-fvcat=\"professional-communications\"><span class=\"fv-cats-dot\"><\/span>Professional Communications<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/features\/\" data-fvcat=\"features\"><span class=\"fv-cats-dot\"><\/span>Features<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/artificial-intelligence\/\" data-fvcat=\"artificial-intelligence\"><span class=\"fv-cats-dot\"><\/span>Artificial Intelligence<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/call-center-cloud-technology\/\" data-fvcat=\"call-center-cloud-technology\"><span class=\"fv-cats-dot\"><\/span>Call center<\/a><\/li>\n<li><a href=\"https:\/\/fonvirtual.com\/en\/blog\/category\/channels\/\" data-fvcat=\"channels\"><span class=\"fv-cats-dot\"><\/span>Channels<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><script> (function(){ var root=document.querySelector('.fv-blog-cats'); 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ChatGPTClaudePerplexity Opens in a new tab \u00b7 ChatGPT and Perplexity don&#8217;t require an account Are you concerned about the security of your communications? 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