1.0Fast2SMShttps://www.fast2sms.com/helpFast2SMShttps://www.fast2sms.com/help/author/poorvi/rich600338<blockquote class="wp-embedded-content" data-secret="Ap89q9nhn7"><a href="https://www.fast2sms.com/help/different-dlt-operators-in-india/">Different DLT Operators In India (Videocon, Vodafone Idea, Airtel, BSNL, Jio)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.fast2sms.com/help/different-dlt-operators-in-india/embed/#?secret=Ap89q9nhn7" width="600" height="338" title="“Different DLT Operators In India (Videocon, Vodafone Idea, Airtel, BSNL, Jio)” — Fast2SMS" data-secret="Ap89q9nhn7" 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); /* ]]> */ </script> DLT registration operators list In India Videocon, Vodafone Idea, Airtel, BSNL, Jio. As per the revised TRAI guidelines, DLT registration is mandatory for every business and entity in order to continue sending SMS to their clients.https://www.fast2sms.com/help/wp-content/uploads/2020/02/Vodafone-Idea-DLT-1024x462.png