{"version":"1.0","provider_name":"\u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0622\u0646\u0644\u0627\u06cc\u0646 \u062e\u0635\u0648\u0635\u06cc \u0645\u06a9\u0627\u0644\u0645\u0647 \u0627\u0646\u06af\u0644\u06cc\u0633\u06cc","provider_url":"https:\/\/salamzaban.com\/conversation","title":"\u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0644\u0641\u0646 - \u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0622\u0646\u0644\u0627\u06cc\u0646 \u062e\u0635\u0648\u0635\u06cc \u0645\u06a9\u0627\u0644\u0645\u0647 \u0627\u0646\u06af\u0644\u06cc\u0633\u06cc","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"JiPocyiOpf\"><a href=\"https:\/\/salamzaban.com\/conversation\/telephone-systems\/\">\u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0644\u0641\u0646<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/salamzaban.com\/conversation\/telephone-systems\/embed\/#?secret=JiPocyiOpf\" width=\"600\" height=\"338\" title=\"&#8220;\u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0644\u0641\u0646&#8221; &#8212; \u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0622\u0646\u0644\u0627\u06cc\u0646 \u062e\u0635\u0648\u0635\u06cc \u0645\u06a9\u0627\u0644\u0645\u0647 \u0627\u0646\u06af\u0644\u06cc\u0633\u06cc\" data-secret=\"JiPocyiOpf\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/salamzaban.com\/conversation\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":null,"thumbnail_width":null,"thumbnail_height":null,"description":"\u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0644\u0641\u0646 \u062f\u0627\u0646\u0644\u0648\u062f \u0641\u0627\u06cc\u0644 \u0622\u0645\u0648\u0632\u0634\u06cc \u0632\u0628\u0627\u0646 Telephone Systems When Alexander Graham Bell developed the telephone in the 1870s, it was fairly simple to use. You talked into the mouthpiece and then held it to your ear to listen. For a century of so, using the telephone meant either contacting the operator to dial a&hellip;&nbsp;"}