{"id":19957,"date":"2020-12-02T10:05:29","date_gmt":"2020-12-02T09:05:29","guid":{"rendered":"https:\/\/fonvirtual.com\/en\/?p=19957"},"modified":"2026-07-28T18:51:41","modified_gmt":"2026-07-28T16:51:41","slug":"voice-over-ip","status":"publish","type":null,"link":"https:\/\/fonvirtual.com\/en\/blog\/voice-over-ip\/","title":{"rendered":"What is voice over IP and how does it work?"},"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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if(rtEl){ var cur2=rtEl.textContent.trim(); if(!cur2||cur2==='\u2014'){ var cont=document.querySelector('.et_pb_post_content')||document.querySelector('.entry-content')||document.querySelector('article'); var words=0; if(cont){ var c=cont.cloneNode(true); c.querySelectorAll('[id^=\"fv-\"]').forEach(function(n){n.remove();}); words=(c.textContent||'').trim().split(\/\\s+\/).filter(Boolean).length; } var mins=Math.max(1,Math.round(words\/220)); rtEl.textContent=mins+' min read'; } } } if(document.readyState==='loading') document.addEventListener('DOMContentLoaded',run); else run(); })(); <\/script><\/p>\n<div id=\"fv-featured-img\" style=\"margin:0 0 26px;\"><img decoding=\"async\" src=\"https:\/\/fonvirtual.com\/en\/wp-content\/uploads\/2020\/12\/voice-over-ip-how-it-is-work-e1607073630748.jpg\" alt=\"voice-over-ip-how-it-is-work\" style=\"width:100%;height:auto;border-radius:12px;display:block;\" \/><\/div>\n<div id=\"fv-resumen-ia\" style=\"position:relative;background:#fff;border:1px solid #e8e8ee;border-radius:14px;box-shadow:0 6px 24px rgba(20,20,60,0.07);padding:20px 22px 16px;margin:0 0 28px 0;max-width:720px;font-family:inherit;overflow:hidden;\">\n<div style=\"position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,#f6343f 0%,#ff7a45 100%);\"><\/div>\n<div style=\"display:flex;align-items:center;gap:10px;margin:0 0 6px;padding-left:8px;\"><svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink:0;display:block;\"><path d=\"M12 2L13.9 9.1L21 11L13.9 12.9L12 21L10.1 12.9L3 11L10.1 9.1Z\" fill=\"#f6343f\"\/><path d=\"M19 3L19.6 5.4L22 6L19.6 6.6L19 9L18.4 6.6L16 6L18.4 5.4Z\" fill=\"#ff7a45\" opacity=\"0.85\"\/><\/svg><span style=\"font-weight:700;font-size:16px;color:#1a1a2e;letter-spacing:-0.2px;\">Summarize this article with AI<\/span><\/div>\n<div style=\"font-size:13.5px;color:#5b5b6e;margin:0 0 16px;padding-left:8px;line-height:1.5;\">Pick an AI: opens a chat with the summary ready to go \u2014 you just 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 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Voice over IP, also known as VOIP (Voice over Internet Protocol), is a telecommunications system that works through the Internet network and that facilitates its use compared to traditional telephony.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">We will now explain what voice over IP consists of. The voice IP converts the voice into <\/span><b>data packets and transmits them through an internet network<\/b><span style=\"font-weight: 400;\">, instead of a traditional network, to other devices with an internet connection. These devices can be IP phones, traditional phones with IP DATA adapters, or softphones.<\/span><\/p>\n<p style=\"text-align: justify;\">Voice over IP<b> works through a data connection<\/b><span style=\"font-weight: 400;\"> so we can take advantage of any internet connection to make or receive a phone call. With VoIP, in addition to saving costs, since it is cheaper than traditional telephony, you will also save on facilities and have better call quality.<\/span><\/p>\n<p> &nbsp; <\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">How does voice over IP work?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Its functioning is as follows. When making a voice over IP call, the technology translates the sound that you generate through your microphone and sends it as a data packet through the internet. Once the device of the person to whom the call is made receives the data packet, it is transformed back into sound and is what is reproduced by the receiver&#8217;s speaker. In other words, <\/span><b>two channels are created in the conversation<\/b><span style=\"font-weight: 400;\">, one destined to the audio that you are sending and the other to which the receiver sends you.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Therefore, in order to make a call using voice ip technology, it is necessary to use the <\/span><b>SIP protocol<\/b><span style=\"font-weight: 400;\">. This is what makes it possible for us to send and receive data, whether voice or audio, over the internet between two devices that have a stable internet connection.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Apart from the protocol, it is also necessary to have an internet connection, a device in which we have the possibility of downloading a softphone to be able to use voip technology, and an audio input and output.<\/span><\/p>\n<p> &nbsp; &nbsp; <\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-19959 aligncenter\" src=\"https:\/\/fonvirtual.com\/en\/wp-content\/uploads\/2020\/12\/voice-over-ip-how-it-is-work-ubiquity.jpg\" alt=\"voice-over-ip-how-it-is-work-ubiquity\" width=\"640\" height=\"316\" \/><\/p>\n<h2><\/h2>\n<p> &nbsp; &nbsp; <\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Advantages of Voice IP<\/span><\/h2>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">You can have a single physical device and be able to <\/span><b>have several numbers associated<\/b><span style=\"font-weight: 400;\"> with different national and international prefixes.<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Extensions can be easily added<\/b><span style=\"font-weight: 400;\"> adapting to our needs.<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">If you have an internet broadband, the <\/span><b>quality of voice IP calls increases<\/b><span style=\"font-weight: 400;\"> considerably compared to traditional calls.<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Voice over IP calls are <\/span><b>cheaper<\/b><span style=\"font-weight: 400;\">, especially long distance or international calls.<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">You have the possibility of <\/span><b>using functionalities<\/b><span style=\"font-weight: 400;\"> that can be integrated, such as call transfer, caller ID, calls waiting, etc.<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Using <a href=\"https:\/\/fonvirtual.com\/en\/virtual-pbx\/\">VoIP technology<\/a> you will have a <\/span><b>competitive advantage<\/b><span style=\"font-weight: 400;\">, and your workers will also improve their efficiency and productivity.<\/span><\/li>\n<\/ul>\n<p> &nbsp; <\/p>\n<h2 style=\"text-align: justify;\"><span style=\"text-decoration: underline; color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/fonvirtual.com\/en\/webrtc\/\"><span style=\"font-weight: 400;\">Technology VoIP WebRTC<\/span><\/a><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; color: #000000;\">\u00bfWhat is voip WebRTC?<\/span><\/p>\n<p style=\"text-align: justify;\"><b>WebRTC technology<\/b><span style=\"font-weight: 400;\"> is the next generation of IP telephony. It is a software developed in open source by Google that gives the possibility of making voice and video communications over the internet. The question is, what is the difference with voice ip technology?<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Well, as we have said, WebRTC is a revolution in voice over IP. In this case, the WebRTC is 100% hosted in the cloud. Whereas before with voip we needed a device or application installed on our device, now we only need an internet connection and access to a web browser. There we can enter the credentials that our provider has given us and we will have access to all our extensions from which we can make any call from anywhere in the world.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">With this new version of voice ip telephony, you will be able to:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Enjoy it <\/span><b>with any device connected to the internet and anywhere in the world<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Make and receive voice, video and chat communications<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Multiple functionalities<\/b><span style=\"font-weight: 400;\">, such as voice mailboxes, or call transcription.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>An HD service<\/b><span style=\"font-weight: 400;\"> in both audio and video.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Integration with third party software<\/b><span style=\"font-weight: 400;\"> such as CRM, ERP or payment gateways.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Integration of new external communication channels such as <\/span><b>WhatsApp or Telegram<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p> &nbsp; <\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">As a conclusion. Voice over IP means a <\/span><b>breakthrough in telephony<\/b><span style=\"font-weight: 400;\">. It makes our work easier and makes it possible for us to make calls through the internet, much more easily than before. 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ChatGPTClaudePerplexity Opens in a new tab \u00b7 ChatGPT and Perplexity don&#8217;t require an account Voice over IP, also known as VOIP (Voice over Internet Protocol), is a telecommunications system 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