diff --git a/app.js b/app.js
index 5f82515..4df1e47 100644
--- a/app.js
+++ b/app.js
@@ -148,13 +148,13 @@ const mediaCodecs = 			[
 const closeCall = (callId) => {
   try {
     if (callId && videoCalls[callId]) {
-      videoCalls[callId].producerVideo?.close();
-      videoCalls[callId].producerAudio?.close();
-      videoCalls[callId].consumerVideo?.close();
-      videoCalls[callId].consumerAudio?.close();
+      videoCalls[callId].receiverVideoProducer?.close();
+      videoCalls[callId].receiverAudioProducer?.close();
+      videoCalls[callId].initiatorConsumerVideo?.close();
+      videoCalls[callId].initiatorConsumerAudio?.close();
 
-      videoCalls[callId]?.consumerTransport?.close();
-      videoCalls[callId]?.producerTransport?.close();
+      videoCalls[callId]?.initiatorConsumerTransport?.close();
+      videoCalls[callId]?.receiverProducerTransport?.close();
       videoCalls[callId]?.router?.close();
       delete videoCalls[callId];
     } else {
@@ -234,19 +234,33 @@ peers.on('connection', async socket => {
       const callId = socketDetails[socket.id];
       console.log(`[createWebRtcTransport] sender ${sender} | callId ${callId}`);
       if (sender) {
-        if (!videoCalls[callId].producerTransport) {
-          videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback);
+        if(!videoCalls[callId].receiverProducerTransport && !isInitiator(callId, socket.id)) {
+          videoCalls[callId].receiverProducerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else if(!videoCalls[callId].initiatorProducerTransport && isInitiator(callId, socket.id)) {
+          videoCalls[callId].initiatorProducerTransport = await createWebRtcTransportLayer(callId, callback);
         } else {
           console.log(`producerTransport has already been defined | callId ${callId}`);
           callback(null);
         }
+
+        // if (!videoCalls[callId].producerTransport) {
+        //   videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback);
+        // } else {
+        //   console.log(`producerTransport has already been defined | callId ${callId}`);
+        //   callback(null);
+        // }
       } else if (!sender) {
-        if (!videoCalls[callId].consumerTransport) {
-          videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback);
-        } else {
-          console.log(`consumerTransport has already been defined | callId ${callId}`);
-          callback(null);
+        if(!videoCalls[callId].receiverConsumerTransport && !isInitiator(callId, socket.id)) {
+          videoCalls[callId].receiverConsumerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else if(!videoCalls[callId].initiatorConsumerTransport && isInitiator(callId, socket.id)) {
+          videoCalls[callId].initiatorConsumerTransport = await createWebRtcTransportLayer(callId, callback);
         }
+        // if (!videoCalls[callId].consumerTransport) {
+        //   videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback);
+        // } else {
+        //   console.log(`consumerTransport has already been defined | callId ${callId}`);
+        //   callback(null);
+        // }
       }
     } catch (error) {
       console.log(`ERROR | createWebRtcTransport | callId ${socketDetails[socket.id]} | sender ${sender} | ${error.message}`);
@@ -264,7 +278,12 @@ peers.on('connection', async socket => {
       if (typeof dtlsParameters === 'string') dtlsParameters = JSON.parse(dtlsParameters);
 
       console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId}`);
-      await videoCalls[callId].producerTransport.connect({ dtlsParameters });
+      if (!isInitiator(callId, socket.id)) {
+        await videoCalls[callId].receiverProducerTransport.connect({ dtlsParameters });
+      } else {
+        await videoCalls[callId].initiatorProducerTransport.connect({ dtlsParameters });
+      }
+      // await videoCalls[callId].producerTransport.connect({ dtlsParameters });
     } catch (error) {
       console.log(`ERROR | transport-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
     }
@@ -285,42 +304,93 @@ peers.on('connection', async socket => {
        console.log('rtpParameters', rtpParameters);
 
       if (kind === 'video') {
-        videoCalls[callId].producerVideo = await videoCalls[callId].producerTransport.produce({
-          kind,
-          rtpParameters,
-        });
-      
+        if (!isInitiator()) {
+          videoCalls[callId].receiverVideoProducer = await videoCalls[callId].receiverProducerTransport.produce({
+            kind,
+            rtpParameters,
+          });
+          // videoCalls[callId].producerVideo = await videoCalls[callId].producerTransport.produce({
+          //   kind,
+          //   rtpParameters,
+          // });
+  
+          console.log(`[transport-produce] receiverVideoProducer Producer ID: ${videoCalls[callId].receiverVideoProducer.id} | kind: ${videoCalls[callId].receiverVideoProducer.kind}`);
 
-        console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producerVideo.id} | kind: ${videoCalls[callId].producerVideo.kind}`);
-    
-        videoCalls[callId].producerVideo.on('transportclose', () => {
-          const callId = socketDetails[socket.id];
-          console.log('transport for this producer closed', callId)
-          closeCall(callId);
-        });
+          videoCalls[callId].receiverVideoProducer.on('transportclose', () => {
+            const callId = socketDetails[socket.id];
+            console.log('transport for this producer closed', callId)
+            closeCall(callId);
+          });
+          // videoCalls[callId].producerVideo.on('transportclose', () => {
+          //   const callId = socketDetails[socket.id];
+          //   console.log('transport for this producer closed', callId)
+          //   closeCall(callId);
+          // });
 
-        // Send back to the client the Producer's id
-        callback && callback({
-          id: videoCalls[callId].producerVideo.id
-        });
+          // Send back to the client the Producer's id
+          callback && callback({
+            id: videoCalls[callId].receiverVideoProducer.id
+          });
+          // // Send back to the client the Producer's id
+          // callback && callback({
+          //   id: videoCalls[callId].producerVideo.id
+          // });
+        } else {
+          videoCalls[callId].initiatorVideoProducer = await videoCalls[callId].initiatorProducerTransport.produce({
+            kind,
+            rtpParameters,
+          });
+  
+          console.log(`[transport-produce] initiatorVideoProducer Producer ID: ${videoCalls[callId].initiatorVideoProducer.id} | kind: ${videoCalls[callId].initiatorVideoProducer.kind}`);
+
+          videoCalls[callId].initiatorVideoProducer.on('transportclose', () => {
+            const callId = socketDetails[socket.id];
+            console.log('transport for this producer closed', callId)
+            closeCall(callId);
+          });
+
+          callback && callback({
+            id: videoCalls[callId].initiatorVideoProducer.id
+          });
+        }
       } else if (kind === 'audio') {
-        videoCalls[callId].producerAudio = await videoCalls[callId].producerTransport.produce({
-          kind,
-          rtpParameters,
-        });
+        if (!isInitiator()) {
+          videoCalls[callId].receiverAudioProducer = await videoCalls[callId].receiverProducerTransport.produce({
+            kind,
+            rtpParameters,
+          });
 
-        console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producerAudio.id} | kind: ${videoCalls[callId].producerAudio.kind}`);
-    
-        videoCalls[callId].producerAudio.on('transportclose', () => {
-          const callId = socketDetails[socket.id];
-          console.log('transport for this producer closed', callId)
-          closeCall(callId);
-        });
+          console.log(`[transport-produce] receiverAudioProducer Producer ID: ${videoCalls[callId].receiverAudioProducer.id} | kind: ${videoCalls[callId].receiverAudioProducer.kind}`);
+      
+          videoCalls[callId].receiverAudioProducer.on('transportclose', () => {
+            const callId = socketDetails[socket.id];
+            console.log('transport for this producer closed', callId)
+            closeCall(callId);
+          });
 
-        // Send back to the client the Producer's id
-        callback && callback({
-          id: videoCalls[callId].producerAudio.id
-        });
+          // Send back to the client the Producer's id
+          callback && callback({
+            id: videoCalls[callId].receiverAudioProducer.id
+          });
+        } else {
+          videoCalls[callId].initiatorAudioProducer = await videoCalls[callId].initiatorProducerTransport.produce({
+            kind,
+            rtpParameters,
+          });
+
+          console.log(`[transport-produce] initiatorAudioProducer Producer ID: ${videoCalls[callId].initiatorAudioProducer.id} | kind: ${videoCalls[callId].initiatorAudioProducer.kind}`);
+      
+          videoCalls[callId].initiatorAudioProducer.on('transportclose', () => {
+            const callId = socketDetails[socket.id];
+            console.log('transport for this producer closed', callId)
+            closeCall(callId);
+          });
+
+          // Send back to the client the Producer's id
+          callback && callback({
+            id: videoCalls[callId].initiatorAudioProducer.id
+          });
+        }
       }
     } catch (error) {
       console.log(`ERROR | transport-produce | callId ${socketDetails[socket.id]} | ${error.message}`);
@@ -335,7 +405,12 @@ peers.on('connection', async socket => {
     try {
       const callId = socketDetails[socket.id];
       console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId}`);
-      await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
+      // await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
+      if(!isInitiator(callId, socket.id)) {
+        await videoCalls[callId].receiverConsumerTransport.connect({ dtlsParameters });
+      } else if(isInitiator(callId, socket.id)) {
+        await videoCalls[callId].initiatorConsumerTransport.connect({ dtlsParameters });
+      }
     } catch (error) {
       console.log(`ERROR | transport-recv-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
     }
@@ -354,30 +429,50 @@ peers.on('connection', async socket => {
 
       const callId = socketDetails[socket.id];
       console.log('[consume] callId', callId);
+      let canConsumeVideo, canConsumeAudio;
+      if (isInitiator(callId, socket.id)) {
+        canConsumeVideo = !!videoCalls[callId].receiverVideoProducer && !!videoCalls[callId].router.canConsume({
+          producerId: videoCalls[callId].receiverVideoProducer.id,
+          rtpCapabilities
+        });
+        // const canConsumeVideo = !!videoCalls[callId].producerVideo && !!videoCalls[callId].router.canConsume({
+        //   producerId: videoCalls[callId].producerVideo.id,
+        //   rtpCapabilities
+        // })
 
-      const canConsumeVideo = !!videoCalls[callId].producerVideo && !!videoCalls[callId].router.canConsume({
-        producerId: videoCalls[callId].producerVideo.id,
-        rtpCapabilities
-      })
+        canConsumeAudio = !!videoCalls[callId].receiverAudioProducer && !!videoCalls[callId].router.canConsume({
+          producerId: videoCalls[callId].receiverAudioProducer.id,
+          rtpCapabilities
+        });
+        // const canConsumeAudio = !!videoCalls[callId].producerAudio && !!videoCalls[callId].router.canConsume({
+        //   producerId: videoCalls[callId].producerAudio.id,
+        //   rtpCapabilities
+        // })
 
-      const canConsumeAudio = !!videoCalls[callId].producerAudio && !!videoCalls[callId].router.canConsume({
-        producerId: videoCalls[callId].producerAudio.id,
-        rtpCapabilities
-      })
+      } else {
+        canConsumeVideo = !!videoCalls[callId].initiatorVideoProducer && !!videoCalls[callId].router.canConsume({
+          producerId: videoCalls[callId].initiatorVideoProducer.id,
+          rtpCapabilities
+        });
 
+        canConsumeAudio = !!videoCalls[callId].initiatorAudioProducer && !!videoCalls[callId].router.canConsume({
+          producerId: videoCalls[callId].initiatorAudioProducer.id,
+          rtpCapabilities
+        });
+      }
       console.log('[consume] canConsumeVideo', canConsumeVideo);
       console.log('[consume] canConsumeAudio', canConsumeAudio);
 
       if (canConsumeVideo && !canConsumeAudio) {
-        console.log('1');
-        const videoParams = await consumeVideo(callId, rtpCapabilities)
-        console.log('videoParams', videoParams);
+        const videoParams = await consumeVideo(callId, socket.id, rtpCapabilities)
         callback({ videoParams, audioParams: null });
       } else if (canConsumeVideo && canConsumeAudio) {
-        console.log('2');
-        const videoParams = await consumeVideo(callId, rtpCapabilities)
-        const audioParams = await consumeAudio(callId, rtpCapabilities)
+        const videoParams = await consumeVideo(callId, socket.id, rtpCapabilities)
+        const audioParams = await consumeAudio(callId, socket.id, rtpCapabilities)
         callback({ videoParams, audioParams });
+      } else if (!canConsumeVideo && canConsumeAudio) {
+        const audioParams = await consumeAudio(callId, socket.id, rtpCapabilities)
+        callback({ videoParams: null, audioParams });
       } else {
         console.log(`[consume] Can't consume | callId ${callId}`);
         callback(null);
@@ -396,68 +491,177 @@ peers.on('connection', async socket => {
     try {
       const callId = socketDetails[socket.id];
       console.log(`[consumer-resume] callId ${callId}`)
-      await videoCalls[callId].consumerVideo.resume();
-      await videoCalls[callId].consumerAudio.resume();
+
+      if (isInitiator(callId, socket.id)) {
+        await videoCalls[callId].initiatorConsumerVideo.resume();
+        await videoCalls[callId].initiatorConsumerAudio.resume();
+      } else {
+        await videoCalls[callId].receiverConsumerVideo.resume();
+        await videoCalls[callId].receiverConsumerAudio.resume();
+      }
+      // await videoCalls[callId].consumerVideo.resume();
+      // await videoCalls[callId].consumerAudio.resume();
     } catch (error) {
       console.log(`ERROR | consumer-resume | callId ${socketDetails[socket.id]} | ${error.message}`);
     }
   });
 });
 
-const consumeVideo = async (callId, rtpCapabilities) => {
-  videoCalls[callId].consumerVideo = await videoCalls[callId].consumerTransport.consume({
-    producerId: videoCalls[callId].producerVideo.id,
-    rtpCapabilities,
-    paused: true,
-  });
+const consumeVideo = async (callId, socketId, rtpCapabilities) => {
 
-  // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
-  videoCalls[callId].consumerVideo.on('transportclose', () => {
-    const callId = socketDetails[socket.id];
-    console.log('transport close from consumer', callId);
-    closeCall(callId);
-  });
+  if(isInitiator(callId, socketId)) {
+    videoCalls[callId].initiatorConsumerVideo = await videoCalls[callId].initiatorConsumerTransport.consume({
+      producerId: videoCalls[callId].receiverVideoProducer.id,
+      rtpCapabilities,
+      paused: true,
+    });
+  
+    // videoCalls[callId].consumerVideo = await videoCalls[callId].consumerTransport.consume({
+    //   producerId: videoCalls[callId].producerVideo.id,
+    //   rtpCapabilities,
+    //   paused: true,
+    // });
 
-  // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
-  videoCalls[callId].consumerVideo.on('producerclose', () => {
-    const callId = socketDetails[socket.id];
-    console.log('producer of consumer closed', callId);
-    closeCall(callId);
-  });
+    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+    videoCalls[callId].initiatorConsumerVideo.on('transportclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('transport close from consumer', callId);
+      closeCall(callId);
+    });
 
-  return {
-    id: videoCalls[callId].consumerVideo.id,
-    producerId: videoCalls[callId].producerVideo.id,
-    kind: 'video',
-    rtpParameters: videoCalls[callId].consumerVideo.rtpParameters,
+    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+    // videoCalls[callId].consumerVideo.on('transportclose', () => {
+    //   const callId = socketDetails[socket.id];
+    //   console.log('transport close from consumer', callId);
+    //   closeCall(callId);
+    // });
+
+    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
+    videoCalls[callId].initiatorConsumerVideo.on('producerclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('producer of consumer closed', callId);
+      closeCall(callId);
+    });
+
+    // // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
+    // videoCalls[callId].consumerVideo.on('producerclose', () => {
+    //   const callId = socketDetails[socket.id];
+    //   console.log('producer of consumer closed', callId);
+    //   closeCall(callId);
+    // });
+
+    return {
+      id: videoCalls[callId].initiatorConsumerVideo.id,
+      producerId: videoCalls[callId].receiverVideoProducer.id,
+      kind: 'video',
+      rtpParameters: videoCalls[callId].initiatorConsumerVideo.rtpParameters,
+    }
+    // return {
+    //   id: videoCalls[callId].consumerVideo.id,
+    //   producerId: videoCalls[callId].producerVideo.id,
+    //   kind: 'video',
+    //   rtpParameters: videoCalls[callId].consumerVideo.rtpParameters,
+    // }
+  } else {
+    videoCalls[callId].receiverConsumerVideo = await videoCalls[callId].receiverConsumerTransport.consume({
+      producerId: videoCalls[callId].initiatorVideoProducer.id,
+      rtpCapabilities,
+      paused: true,
+    });
+
+    videoCalls[callId].receiverConsumerVideo.on('transportclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('transport close from consumer', callId);
+      closeCall(callId);
+    });
+
+    videoCalls[callId].receiverConsumerVideo.on('producerclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('producer of consumer closed', callId);
+      closeCall(callId);
+    });
+
+    return {
+      id: videoCalls[callId].receiverConsumerVideo.id,
+      producerId: videoCalls[callId].initiatorVideoProducer.id,
+      kind: 'video',
+      rtpParameters: videoCalls[callId].receiverConsumerVideo.rtpParameters,
+    }
   }
 }
 
-const consumeAudio = async (callId, rtpCapabilities) => {
-  videoCalls[callId].consumerAudio = await videoCalls[callId].consumerTransport.consume({
-    producerId: videoCalls[callId].producerAudio.id,
-    rtpCapabilities,
-    paused: true,
-  });
+const consumeAudio = async (callId, socketId, rtpCapabilities) => {
+  if(isInitiator(callId, socketId)) {
+    videoCalls[callId].initiatorConsumerAudio = await videoCalls[callId].initiatorConsumerTransport.consume({
+      producerId: videoCalls[callId].receiverAudioProducer.id,
+      rtpCapabilities,
+      paused: true,
+    });
 
-  // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
-  videoCalls[callId].consumerAudio.on('transportclose', () => {
-    const callId = socketDetails[socket.id];
-    console.log('transport close from consumer', callId);
-    closeCall(callId);
-  });
+    // videoCalls[callId].consumerAudio = await videoCalls[callId].consumerTransport.consume({
+    //   producerId: videoCalls[callId].producerAudio.id,
+    //   rtpCapabilities,
+    //   paused: true,
+    // });
 
-  // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
-  videoCalls[callId].consumerAudio.on('producerclose', () => {
-    const callId = socketDetails[socket.id];
-    console.log('producer of consumer closed', callId);
-    closeCall(callId);
-  });
-  return {
-    id: videoCalls[callId].consumerAudio.id,
-    producerId: videoCalls[callId].producerAudio.id,
-    kind: 'audio',
-    rtpParameters: videoCalls[callId].consumerAudio.rtpParameters,
+    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+    videoCalls[callId].initiatorConsumerAudio.on('transportclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('transport close from consumer', callId);
+      closeCall(callId);
+    });
+
+    // // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+    // videoCalls[callId].consumerAudio.on('transportclose', () => {
+    //   const callId = socketDetails[socket.id];
+    //   console.log('transport close from consumer', callId);
+    //   closeCall(callId);
+    // });
+
+    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
+    videoCalls[callId].initiatorConsumerAudio.on('producerclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('producer of consumer closed', callId);
+      closeCall(callId);
+    });
+    // // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
+    // videoCalls[callId].consumerAudio.on('producerclose', () => {
+    //   const callId = socketDetails[socket.id];
+    //   console.log('producer of consumer closed', callId);
+    //   closeCall(callId);
+    // });
+
+    return {
+      id: videoCalls[callId].initiatorConsumerAudio.id,
+      producerId: videoCalls[callId].receiverAudioProducer.id,
+      kind: 'audio',
+      rtpParameters: videoCalls[callId].initiatorConsumerAudio.rtpParameters,
+    }
+  } else {
+    videoCalls[callId].receiverConsumerAudio = await videoCalls[callId].receiverConsumerTransport.consume({
+      producerId: videoCalls[callId].initiatorAudioProducer.id,
+      rtpCapabilities,
+      paused: true,
+    });
+
+    videoCalls[callId].receiverConsumerAudio.on('transportclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('transport close from consumer', callId);
+      closeCall(callId);
+    });
+
+    videoCalls[callId].receiverConsumerAudio.on('producerclose', () => {
+      const callId = socketDetails[socket.id];
+      console.log('producer of consumer closed', callId);
+      closeCall(callId);
+    });
+
+    return {
+      id: videoCalls[callId].receiverConsumerAudio.id,
+      producerId: videoCalls[callId].initiatorAudioProducer.id,
+      kind: 'audio',
+      rtpParameters: videoCalls[callId].receiverConsumerAudio.rtpParameters,
+    }
   }
 }