Index: lams_central/web/includes/javascript/ckconfig_custom.js
===================================================================
diff -u -rd8fc956784e11bbceaf2ceb984ab1013d361e3de -r162784e5aec3a88d7e9454a05502976b920d53a4
--- lams_central/web/includes/javascript/ckconfig_custom.js	(.../ckconfig_custom.js)	(revision d8fc956784e11bbceaf2ceb984ab1013d361e3de)
+++ lams_central/web/includes/javascript/ckconfig_custom.js	(.../ckconfig_custom.js)	(revision 162784e5aec3a88d7e9454a05502976b920d53a4)
@@ -137,7 +137,6 @@
 CKEDITOR.config.removePlugins = 'elementspath,about,specialchar';
 CKEDITOR.config.allowedContent = true;
 CKEDITOR.config.toolbarCanCollapse = true;
-CKEDITOR.config.embed_provider = '//ckeditor.iframe.ly/api/oembed?url={url}&callback={callback}'; //default URL for 'embed' plugin
 CKEDITOR.config.filebrowserUploadMethod	 = 'form';
 //allow empty i and span tags (for font awesome)
 CKEDITOR.dtd.$removeEmpty['i'] = false;
@@ -205,3 +204,20 @@
 		placeholderLessenHandler(event.editor);
 	});
 });
+
+CKEDITOR.config.embed_provider = '//ckeditor.iframe.ly/api/oembed?url={url}&callback={callback}'; //default URL for 'embed' plugin
+/* If you want to use LAMS embedding proxy:
+Set
+CKEDITOR.config.embed_provider = '/lams/embed.do?url={url}&callback={callback}';
+You can use absolute URL instead, for example
+CKEDITOR.config.embed_provider = 'https://demo.lamsfoundation.org/lams/embed.do?url={url}&callback={callback}';
+
+Then set the real embed provider URL into this property
+lams_embed_provider = '//ckeditor.iframe.ly/api/oembed?consent=0';
+For iframely remember to use "consent=0" parameter, otherwise each user will be asked whether to trust this content.
+You can also append your API key:
+lams_embed_provider = '//ckeditor.iframe.ly/api/oembed?consent=0&api_key=YOUR_API_KEY_HERE';
+
+Then put a comma-separated list of domains for which you want to use LAMS embedding, for example
+lams_embed_custom_domains = 'video.someuni.ac.uk,media.anotheruni.sg';
+*/
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