1.0Vintelecomhttps://www.vintelecom.net/janickalxiao@gmail.comhttps://www.vintelecom.net/ja/author/nickalxiaogmail-com/rich600338<blockquote class="wp-embedded-content" data-secret="KUcgOKX0vw"><a href="https://www.vintelecom.net/ja/blog/goip-gsm-voip-gateway-applications/">GOIP GSM VoIP Gateway Applications</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.vintelecom.net/ja/blog/goip-gsm-voip-gateway-applications/embed/#?secret=KUcgOKX0vw" width="600" height="338" title="“GOIP GSM VoIP Gateway Applications” — Vintelecom" data-secret="KUcgOKX0vw" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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.vintelecom.net/wp-includes/js/wp-embed.min.js </script>https://www.vintelecom.net/wp-content/uploads/2026/07/3.png800800GOIP Gateway: Bridging GSM and VoIP A GOIP gateway is a hardware device that acts as a bridge between traditional GSM mobile networks (2G/3G/4G) and IP-based VoIP networks (SIP, IAX). It allows you to insert standard SIM cards and then use those mobile lines remotely over the Internet for voice calls and SMS messaging. Below are its primary application scenarios. — 1. Business Telephony & Call Centers · PBX Integration – Connect multiple GSM lines to an existing IP-PBX (e.g., Asterisk, FreeSWITCH, 3CX). Employees can make outbound calls using the company’s mobile numbers via their desk phones or softphones. · Cost Optimization – Leverage cheaper mobile-to-mobile or intra‑network call rates, […]