diff --git a/server/plugins/mediasoup-router.ts b/server/plugins/mediasoup-router.ts
index 784f967..7572b33 100644
--- a/server/plugins/mediasoup-router.ts
+++ b/server/plugins/mediasoup-router.ts
@@ -33,6 +33,15 @@ export const autoConfig: mediasoup.types.RouterOptions = {
         'x-google-start-bitrate': 1000,
       },
     },
+    {
+      kind: 'video',
+      mimeType: 'video/VP9',
+      clockRate: 90000,
+      parameters: {
+        'profile-id': 0,
+        'x-google-start-bitrate': 12000,
+      },
+    },
     {
       kind: 'video',
       mimeType: 'video/VP9',
diff --git a/server/socket/webrtc.ts b/server/socket/webrtc.ts
index c309bad..3644022 100644
--- a/server/socket/webrtc.ts
+++ b/server/socket/webrtc.ts
@@ -112,6 +112,8 @@ export default async function (io: SocketServer, router: types.Router) {
               },
             },
           ],
+          initialAvailableOutgoingBitrate: 8_000_000,
+          maxSctpMessageSize: 262144,
           enableUdp: true,
           preferUdp: true,
           appData: {