diff --git a/app.js b/app.js
index ad2c555..88563c9 100644
--- a/app.js
+++ b/app.js
@@ -93,15 +93,15 @@ worker = createWorker();
 const mediaCodecs = [
   {
     kind: 'audio',
-    mimeType: 'audio/opus',
+    // mimeType: 'audio/opus',
     // clockRate: 48000,
     channels: 2,
     clockRate: 48000,
-		// mimeType: "audio/opus",
-		// parameters: {
-		// 	minptime: 10,
-		// 	useinbandfec: 1
-		// },
+		mimeType: "audio/opus",
+		parameters: {
+			minptime: 10,
+			useinbandfec: 1
+		},
 		// payloadType: 111,
 		// rtcpFeedback: [{
     //   parameter: "",