diff --git a/app.js b/app.js
index 7934240..d1f07e9 100644
--- a/app.js
+++ b/app.js
@@ -223,8 +223,11 @@ peers.on('connection', async socket => {
       - If the client is producer(sender: true) then it will use parameters for device.createSendTransport(params)
       - If the client is a consumer(sender: false) then it will use parameters for device.createRecvTransport(params)
   */
-  socket.on('createWebRtcTransport', async ({ sender }, callback) => {
+  socket.on('createWebRtcTransport', async (data, callback) => {
     try {
+      console.log('createWebRtcTransport-----------------------data', data); 
+      const { sender } = data
+      console.log('createWebRtcTransport-----------------------sender', sender);
       const callId = socketDetails[socket.id];
       console.log(`[createWebRtcTransport] socket ${socket.id} | sender ${sender} | callId ${callId}`);
       if (sender) {
diff --git a/public/index.js b/public/index.js
index 86b9d90..9233a51 100644
--- a/public/index.js
+++ b/public/index.js
@@ -222,7 +222,7 @@ const createSendTransport = () => {
   console.log('[createSendTransport');
   // see server's socket.on('createWebRtcTransport', sender?, ...)
   // this is a call from Producer, so sender = true
-  socket.emit('createWebRtcTransport', { sender: true, callId }, (value) => {
+  socket.emit('createWebRtcTransport', { sender: true }, (value) => {
 
     console.log(`[createWebRtcTransport] value: ${JSON.stringify(value)}`);