diff --git a/docs/disable-features.md b/docs/disable-features.md
index 8421008f3..aec6e1ab5 100644
--- a/docs/disable-features.md
+++ b/docs/disable-features.md
@@ -63,25 +63,14 @@ To enable it by passing `disableConferenceInvite=false` on adapter.js uri or ifr
 
 ## Enable Conference Call feature
 
-Conference Call (3-way-calling) feature is in beta. It is disabled it by default. To enable it:
+To enable Conference Call (3-way-calling) feature, please add `CallControl` permission to your app in RingCentral Developer website. Please send email to [devsupport](mailto:devsupport@ringcentral.com) to add it if your app has been graduated into production. After permissions added, you can get the feature after re-login to the widget.
 
-```js
-<script>
-(function() {
-var rcs = document.createElement("script");
-rcs.src = "https://ringcentral.github.io/ringcentral-embeddable/adapter.js?disableConferenceCall=false";
-var rcs0 = document.getElementsByTagName("script")[0];
-rcs0.parentNode.insertBefore(rcs, rcs0);
-})();
-</script>
-```
-
-Before we start to use Conference Call feature, need to add `TelephonySessions` permission to your app in RingCentral Developer website. This feature is in beta. Please send email to [devsupport](mailto:devsupport@ringcentral.com) to add `TelephonySessions` permission if you get any problem.
+![conference call](https://user-images.githubusercontent.com/7036536/110581133-eb770e80-81a4-11eb-9951-fde986a07780.png)
 
 ## Enable Active Call Control feature
 
 Active Call Control feature uses new `CallControl` RESTful API to control RingCentral Call. With this API, users can control their calls on other devices in this widget. 
 
-Before we start to use Active Call Control feature, need to add `CallControl` permission to your app in RingCentral Developer website. After permissions added, you can get the feature after relogin to the widget.
+Before we start to use Active Call Control feature, need to add `CallControl` permission to your app in RingCentral Developer website. After permissions added, you can get the feature after re-login to the widget.
 
 Please send email to [devsupport](mailto:devsupport@ringcentral.com) to add `CallControl` permission if you get any problem.
diff --git a/src/adapter.js b/src/adapter.js
index e670b3c92..6e0315a52 100644
--- a/src/adapter.js
+++ b/src/adapter.js
@@ -50,7 +50,6 @@ const {
   disableReadText,
   disableConferenceInvite,
   disableGlip,
-  disableConferenceCall,
   disableMeeting,
   authProxy,
   prefix,
@@ -104,7 +103,6 @@ const appUri = `${appUrl}?${obj2uri({
   disableReadText,
   disableConferenceInvite,
   disableGlip,
-  disableConferenceCall,
   disableMeeting,
   authProxy,
   prefix,
diff --git a/src/app.js b/src/app.js
index 84eb31943..6bcf27366 100644
--- a/src/app.js
+++ b/src/app.js
@@ -84,7 +84,6 @@ const disableMessages = typeof pathParams.disableMessages !== 'undefined';
 const disableReadText = typeof pathParams.disableReadText !== 'undefined';
 const disableConferenceInvite = typeof pathParams.disableConferenceInvite === 'undefined' || pathParams.disableConferenceInvite === 'true';
 const disableGlip = typeof pathParams.disableGlip === 'undefined' || pathParams.disableGlip === 'true';
-const disableConferenceCall = typeof pathParams.disableConferenceCall === 'undefined' || pathParams.disableConferenceCall === 'true';
 const disableMeeting = typeof pathParams.disableMeeting !== 'undefined';
 
 const prefix = pathParams.prefix || defaultPrefix;
@@ -115,7 +114,6 @@ const phone = createPhone({
   disableReadText,
   disableConferenceInvite,
   disableGlip,
-  disableConferenceCall,
   disableMeeting,
   authProxy,
   userAgent,
diff --git a/src/index.html b/src/index.html
index 566c80ca3..55b237364 100644
--- a/src/index.html
+++ b/src/index.html
@@ -121,7 +121,7 @@ <h2>C2D demo</h2>
   <script>
     (function () {
       var rcs = document.createElement('script');
-      rcs.src = './adapter.js?notification=1&disableGlip=false&disableConferenceCall=false&multipleTabsSupport=1';
+      rcs.src = './adapter.js?notification=1&disableGlip=false&multipleTabsSupport=1';
       var rcs0 = document.getElementsByTagName('script')[0];
       rcs0.parentNode.insertBefore(rcs, rcs0);
     })();
diff --git a/src/modules/Phone/index.js b/src/modules/Phone/index.js
index d59c3f434..6459798d4 100644
--- a/src/modules/Phone/index.js
+++ b/src/modules/Phone/index.js
@@ -579,7 +579,6 @@ export function createPhone({
   disableReadText,
   disableConferenceInvite,
   disableGlip,
-  disableConferenceCall,
   disableMeeting,
   userAgent,
   analyticsKey,
@@ -698,7 +697,6 @@ export function createPhone({
           disableMessages,
           disableConferenceInvite,
           disableGlip,
-          disableConferenceCall,
           disableMeeting,
           disableReadText,
         },
diff --git a/src/modules/RolesAndPermissions/index.js b/src/modules/RolesAndPermissions/index.js
index ee25a773f..a79a3143a 100644
--- a/src/modules/RolesAndPermissions/index.js
+++ b/src/modules/RolesAndPermissions/index.js
@@ -85,7 +85,7 @@ export default class NewRolesAndPermissions extends RolesAndPermissions {
   }
 
   get hasConferenceCallPermission() {
-    return super.hasConferenceCallPermission && !this._disableConferenceCall;
+    return super.hasConferenceCallPermission && this.hasActiveCallControlPermission;
   }
 
   get hasActiveCallControlPermission() {