diff --git a/app.js b/app.js
index 6957b2a..91f913b 100644
--- a/app.js
+++ b/app.js
@@ -280,6 +280,112 @@ peers.on('connection', async socket => {
       if (typeof rtpParameters === 'string') rtpParameters = JSON.parse(rtpParameters);
       
       console.log(`[transport-produce] kind: ${kind} | socket: ${socket.id} | callId: ${callId}`);
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+      
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+      // videoCalls[callId].router
+      const router = videoCalls[callId].router;
+
+
+      router.observer.on("newtransport", (transport) =>
+      {
+        console.log(
+          "new transport created [worker.pid:%d, router.id:%s, transport.id:%s]",
+          worker.pid, router.id, transport.id);
+      
+        transport.observer.on("close", () => 
+        {
+          console.log("transport closed [transport.id:%s]", transport.id);
+        });
+      
+        transport.observer.on("newproducer", (producer) =>
+        {
+          console.log(
+            "new producer created [worker.pid:%d, router.id:%s, transport.id:%s, producer.id:%s]",
+            worker.pid, router.id, transport.id, producer.id);
+      
+          producer.observer.on("close", () => 
+          {
+            console.log("producer closed [producer.id:%s]", producer.id);
+          });
+        });
+      
+        transport.observer.on("newconsumer", (consumer) =>
+        {
+          console.log(
+            "new consumer created [worker.pid:%d, router.id:%s, transport.id:%s, consumer.id:%s]",
+            worker.pid, router.id, transport.id, consumer.id);
+      
+          consumer.observer.on("close", () => 
+          {
+            console.log("consumer closed [consumer.id:%s]", consumer.id);
+          });
+        });
+      
+        transport.observer.on("newdataproducer", (dataProducer) =>
+        {
+          console.log(
+            "new data producer created [worker.pid:%d, router.id:%s, transport.id:%s, dataProducer.id:%s]",
+            worker.pid, router.id, transport.id, dataProducer.id);
+      
+          dataProducer.observer.on("close", () => 
+          {
+            console.log("data producer closed [dataProducer.id:%s]", dataProducer.id);
+          });
+        });
+      
+        transport.observer.on("newdataconsumer", (dataConsumer) =>
+        {
+          console.log(
+            "new data consumer created [worker.pid:%d, router.id:%s, transport.id:%s, dataConsumer.id:%s]",
+            worker.pid, router.id, transport.id, dataConsumer.id);
+      
+          dataConsumer.observer.on("close", () => 
+          {
+            console.log("data consumer closed [dataConsumer.id:%s]", dataConsumer.id);
+          });
+        });
+      
+      });
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+      
       if (kind === 'video') {
         if (!isInitiator(callId, socket.id)) {
           videoCalls[callId].receiverVideoProducer = await videoCalls[callId].receiverProducerTransport.produce({