diff --git a/packages/stream_video/CHANGELOG.md b/packages/stream_video/CHANGELOG.md
index 576d28860..ec76f1c2f 100644
--- a/packages/stream_video/CHANGELOG.md
+++ b/packages/stream_video/CHANGELOG.md
@@ -4,6 +4,8 @@
 * Fixed incoming call timeout handling.
   - Use `streamVideo.observeCoreRingingEventsForBackground()` instead of `streamVideo.observeCallDeclinedRingingEvent()` in `firebaseMessagingBackgroundHandler` to support all necessary events.
 
+* Improved SFU stats implementation.
+
 ## 1.0.1
 
 ### ✅ Added
diff --git a/packages/stream_video/lib/src/call/call.dart b/packages/stream_video/lib/src/call/call.dart
index f50fe37b8..89f7602c6 100644
--- a/packages/stream_video/lib/src/call/call.dart
+++ b/packages/stream_video/lib/src/call/call.dart
@@ -967,7 +967,12 @@ class Call {
         networkMonitor: networkMonitor,
         streamVideo: _streamVideo,
         statsOptions: _sfuStatsOptions!,
-        leftoverTraceRecords: _previousSession?.getTrace().snapshot ?? [],
+        leftoverTraceRecords:
+            _previousSession
+                ?.getTrace()
+                .expand((slice) => slice.snapshot)
+                .toList() ??
+            const [],
         onReconnectionNeeded: (pc, strategy) {
           _session?.trace('pc_reconnection_needed', {
             'peerConnectionId': pc.type.name,
@@ -1481,8 +1486,8 @@ class Call {
           return;
         }
 
-        _session?.trace('call_reconnect', {
-          'strategy': _reconnectStrategy.name,
+        _session?.trace('callReconnect', {
+          'strategy': strategy.name,
         });
 
         _stateManager.lifecycleCallConnecting(
@@ -1531,8 +1536,8 @@ class Call {
               await _reconnectMigrate();
           }
 
-          _session?.trace('call_reconnect_success', {
-            'strategy': _reconnectStrategy.name,
+          _session?.trace('callReconnectSuccess', {
+            'strategy': strategy.name,
           });
         } catch (error) {
           switch (error) {
@@ -1541,8 +1546,8 @@ class Call {
               _logger.w(() => '[reconnect] unrecoverable error');
               _stateManager.lifecycleCallReconnectingFailed();
 
-              _session?.trace('call_reconnect_failed', {
-                'strategy': _reconnectStrategy.name,
+              _session?.trace('callReconnectFailed', {
+                'strategy': strategy.name,
                 'error': error.toString(),
               });
 
diff --git a/packages/stream_video/lib/src/call/session/call_session.dart b/packages/stream_video/lib/src/call/session/call_session.dart
index 5166ff0a3..c614204cc 100644
--- a/packages/stream_video/lib/src/call/session/call_session.dart
+++ b/packages/stream_video/lib/src/call/session/call_session.dart
@@ -104,6 +104,7 @@ class CallSession extends Disposable {
   final InternetConnection networkMonitor;
   final StatsOptions statsOptions;
   final Tracer _tracer;
+  final Tracer _zonedTracer = Tracer(null);
   final StreamVideo _streamVideo;
 
   final Duration joinResponseTimeout;
@@ -121,6 +122,7 @@ class CallSession extends Disposable {
   StatsReporter? statsReporter;
 
   Timer? _peerConnectionCheckTimer;
+  bool _isLeavingOrClosed = false;
 
   sfu_models.ClientDetails? _clientDetails;
 
@@ -132,12 +134,13 @@ class CallSession extends Disposable {
     onCancel: () => Result.error('UpdateViewportVisibility cancelled'),
   );
 
-  TraceSlice getTrace() {
-    return _tracer.take();
+  List<TraceSlice> getTrace() {
+    return [_tracer.take(), _zonedTracer.take()];
   }
 
   void setTraceEnabled(bool enabled) {
     _tracer.setEnabled(enabled);
+    _zonedTracer.setEnabled(enabled);
   }
 
   void trace(String tag, dynamic data) {
@@ -459,6 +462,12 @@ class CallSession extends Disposable {
           fastReconnectDeadline: event.fastReconnectDeadline,
         ),
       );
+    } on TimeoutException catch (e, stk) {
+      final message =
+          'Waiting for "joinResponse" has timed out after ${joinResponseTimeout.inMilliseconds}ms';
+      _tracer.trace('joinRequestTimeout', message);
+      _logger.e(() => '[start] failed: $e');
+      return Result.failure(VideoErrors.compose(e, stk));
     } catch (e, stk) {
       _logger.e(() => '[start] failed: $e');
       return Result.failure(VideoErrors.compose(e, stk));
@@ -585,6 +594,7 @@ class CallSession extends Disposable {
 
   void leave({String? reason}) {
     _logger.d(() => '[leave] no args');
+    _isLeavingOrClosed = true;
     sfuWS.leave(sessionId: sessionId, reason: reason);
   }
 
@@ -593,6 +603,7 @@ class CallSession extends Disposable {
     String? closeReason,
   }) async {
     _logger.d(() => '[close] code: $code, closeReason: $closeReason');
+    _isLeavingOrClosed = true;
 
     await _eventsSubscription?.cancel();
     await _networkStatusSubscription?.cancel();
@@ -614,6 +625,7 @@ class CallSession extends Disposable {
   @override
   Future<void> dispose() async {
     _logger.d(() => '[dispose] no args');
+    _isLeavingOrClosed = true;
 
     await close(StreamWebSocketCloseCode.normalClosure);
     return await super.dispose();
@@ -683,6 +695,7 @@ class CallSession extends Disposable {
       } else if (event is SfuParticipantLeftEvent) {
         stateManager.sfuParticipantLeft(event);
       } else if (event is SfuConnectionQualityChangedEvent) {
+        _tracer.trace('ConnectionQualityChanged', event.toJson());
         stateManager.sfuConnectionQualityChanged(event);
       } else if (event is SfuAudioLevelChangedEvent) {
         stateManager.sfuUpdateAudioLevelChanged(event);
@@ -905,7 +918,7 @@ class CallSession extends Disposable {
   }
 
   Future<void> _onRenegotiationNeeded(StreamPeerConnection pc) async {
-    if (stateManager.callState.status.isDisconnected) {
+    if (_isLeavingOrClosed || stateManager.callState.status.isDisconnected) {
       _logger.w(() => '[negotiate] call is disconnected');
       return;
     }
@@ -1037,7 +1050,7 @@ class CallSession extends Disposable {
     }
 
     final result = TracerZone.run(
-      _tracer,
+      _zonedTracer,
       ++zonedTracerSeq,
       () async {
         return rtcManager.setCameraEnabled(
@@ -1060,7 +1073,7 @@ class CallSession extends Disposable {
     }
 
     final result = TracerZone.run(
-      _tracer,
+      _zonedTracer,
       ++zonedTracerSeq,
       () async {
         return rtcManager.setMicrophoneEnabled(
diff --git a/packages/stream_video/lib/src/call/session/call_session_factory.dart b/packages/stream_video/lib/src/call/session/call_session_factory.dart
index c1fe1d886..c648c414b 100644
--- a/packages/stream_video/lib/src/call/session/call_session_factory.dart
+++ b/packages/stream_video/lib/src/call/session/call_session_factory.dart
@@ -72,18 +72,17 @@ class CallSessionFactory {
 
     _logger.v(() => '[makeCallSession] sfuName: $sfuName, sfuUrl: $sfuUrl');
 
-    final tracer = Tracer('$sessionSeq')
+    final tracer = Tracer('$sessionSeq-$sfuName')
       ..setEnabled(statsOptions.enableRtcStats)
       ..traceMultiple(
         leftoverTraceRecords
             .map(
               (r) => r.copyWith(
-                id: '${max(0, sessionSeq - 1)}',
+                id: '${max(0, sessionSeq - 1)}-$sfuName',
               ),
             )
             .toList(),
-      )
-      ..trace('create', {'url': sfuName});
+      );
 
     return CallSession(
       sessionSeq: sessionSeq,
diff --git a/packages/stream_video/lib/src/call/stats/sfu_stats_reporter.dart b/packages/stream_video/lib/src/call/stats/sfu_stats_reporter.dart
index 3fcf36003..1057f4933 100644
--- a/packages/stream_video/lib/src/call/stats/sfu_stats_reporter.dart
+++ b/packages/stream_video/lib/src/call/stats/sfu_stats_reporter.dart
@@ -188,11 +188,14 @@ class SfuStatsReporter {
           final publisherTrace = callSession.rtcManager?.publisher?.tracer
               .take();
           final sessionTrace = callSession.getTrace();
+          final mediaDeviceNotifierTrace = RtcMediaDeviceNotifier.instance
+              .getTrace();
 
           traces.addAll([
             if (subscriberTrace != null) subscriberTrace,
             if (publisherTrace != null) publisherTrace,
-            sessionTrace,
+            ...sessionTrace,
+            mediaDeviceNotifierTrace,
           ]);
         }
 
diff --git a/packages/stream_video/lib/src/call/stats/stats_reporter.dart b/packages/stream_video/lib/src/call/stats/stats_reporter.dart
index 02275a4e7..d135fe790 100644
--- a/packages/stream_video/lib/src/call/stats/stats_reporter.dart
+++ b/packages/stream_video/lib/src/call/stats/stats_reporter.dart
@@ -46,6 +46,8 @@ class StatsReporter extends StateNotifier<CallMetrics?> {
     return Stream.periodic(interval, (tick) => (collectStats(), tick)).asyncMap(
       (data) async {
         final stats = await data.$1;
+        if (!mounted) return stats;
+
         unawaited(_processStats(stats, data.$2));
         return stats;
       },
@@ -92,6 +94,8 @@ class StatsReporter extends StateNotifier<CallMetrics?> {
     stats,
     int tick,
   ) async {
+    if (!mounted) return;
+
     var publisherStats = state?.publisher ?? PeerConnectionStats.empty();
     var subscriberStats = state?.subscriber ?? PeerConnectionStats.empty();
 
diff --git a/packages/stream_video/lib/src/sfu/sfu_extensions.dart b/packages/stream_video/lib/src/sfu/sfu_extensions.dart
index b19efdbd9..f0223abc1 100644
--- a/packages/stream_video/lib/src/sfu/sfu_extensions.dart
+++ b/packages/stream_video/lib/src/sfu/sfu_extensions.dart
@@ -1,7 +1,4 @@
-import 'dart:convert';
-
 import 'package:collection/collection.dart';
-import 'package:sdp_transform/sdp_transform.dart';
 
 import '../../protobuf/video/sfu/event/events.pb.dart' as sfu_events;
 import '../../protobuf/video/sfu/models/models.pb.dart' as sfu_models;
@@ -17,6 +14,8 @@ import '../sfu/data/models/sfu_video_sender.dart';
 import '../utils/string.dart';
 import '../webrtc/model/rtc_video_dimension.dart';
 import 'data/events/sfu_events.dart';
+import 'data/models/sfu_connection_info.dart';
+import 'data/models/sfu_model_mapper_extensions.dart';
 import 'data/models/sfu_participant.dart';
 
 extension CodecX on sfu_models.Codec {
@@ -24,9 +23,9 @@ extension CodecX on sfu_models.Codec {
     return {
       'name': name,
       'fmtp': fmtp,
-      'clock_rate': clockRate,
-      'encoding_parameters': encodingParameters,
-      'payload_type': payloadType,
+      'clockRate': clockRate,
+      'encodingParameters': encodingParameters,
+      'payloadType': payloadType,
     };
   }
 }
@@ -68,8 +67,8 @@ extension SfuParticipantX on SfuParticipant {
 extension TrackInfoX on sfu_models.TrackInfo {
   Map<String, dynamic> toJson() {
     return {
-      'track_id': trackId,
-      'track_type': trackType.toString(),
+      'trackId': trackId,
+      'trackType': trackType.value,
       'layers': layers.map((layer) => layer.toJson()).toList(),
       'mid': mid,
       'dtx': dtx,
@@ -77,7 +76,7 @@ extension TrackInfoX on sfu_models.TrackInfo {
       'red': red,
       'muted': muted,
       'codec': codec.toJson(),
-      'publish_option_id': publishOptionId,
+      'publishOptionId': publishOptionId,
     };
   }
 }
@@ -86,24 +85,22 @@ extension VideoLayerX on sfu_models.VideoLayer {
   Map<String, dynamic> toJson() {
     return {
       'rid': rid,
-      'video_dimension': {
+      'videoDimension': {
         'width': videoDimension.width,
         'height': videoDimension.height,
       },
       'bitrate': bitrate,
       'fps': fps,
-      'quality': quality.toString(),
+      'quality': quality.value,
     };
   }
 }
 
 extension SetPublisherRequestX on sfu.SetPublisherRequest {
   Map<String, dynamic> toJson() {
-    final parsedSdp = parse(sdp);
-
     return {
-      'sdp': parsedSdp,
-      'session_id': sessionId,
+      'sdp': sdp,
+      'sessionId': sessionId,
       'tracks': tracks.map((track) => track.toJson()).toList(),
     };
   }
@@ -112,10 +109,10 @@ extension SetPublisherRequestX on sfu.SetPublisherRequest {
 extension ClientDetailsX on sfu_models.ClientDetails {
   Map<String, dynamic> toJson() {
     return {
-      'sdk': sdk.toJson(),
-      'os': os.toJson(),
-      'browser': browser.toJson(),
-      'device': device.toJson(),
+      if (hasSdk()) 'sdk': sdk.toJson(),
+      if (hasOs()) 'os': os.toJson(),
+      if (hasBrowser()) 'browser': browser.toJson(),
+      if (hasDevice()) 'device': device.toJson(),
     };
   }
 }
@@ -123,7 +120,7 @@ extension ClientDetailsX on sfu_models.ClientDetails {
 extension SdkX on sfu_models.Sdk {
   Map<String, dynamic> toJson() {
     return {
-      'type': type.toString(),
+      'type': type.value,
       'major': major,
       'minor': minor,
       'patch': patch,
@@ -161,11 +158,10 @@ extension DeviceX on sfu_models.Device {
 
 extension SendAnswerRequestX on sfu.SendAnswerRequest {
   Map<String, dynamic> toJson() {
-    final parsedSdp = parse(sdp);
     return {
-      'peer_type': peerType.toString(),
-      'sdp': parsedSdp,
-      'session_id': sessionId,
+      'peerType': peerType.value,
+      'sdp': sdp,
+      'sessionId': sessionId,
     };
   }
 }
@@ -173,9 +169,9 @@ extension SendAnswerRequestX on sfu.SendAnswerRequest {
 extension ICETrickleX on sfu_models.ICETrickle {
   Map<String, dynamic> toJson() {
     return {
-      'peer_type': peerType.toString(),
-      'ice_candidate': jsonDecode(iceCandidate),
-      'session_id': sessionId,
+      'peerType': peerType.value,
+      'iceCandidate': iceCandidate,
+      'sessionId': sessionId,
     };
   }
 }
@@ -183,8 +179,8 @@ extension ICETrickleX on sfu_models.ICETrickle {
 extension ICERestartRequestX on sfu.ICERestartRequest {
   Map<String, dynamic> toJson() {
     return {
-      'session_id': sessionId,
-      'peer_type': peerType.toString(),
+      'sessionId': sessionId,
+      'peerType': peerType.value,
     };
   }
 }
@@ -192,8 +188,8 @@ extension ICERestartRequestX on sfu.ICERestartRequest {
 extension UpdateMuteStatesRequestX on sfu.UpdateMuteStatesRequest {
   Map<String, dynamic> toJson() {
     return {
-      'session_id': sessionId,
-      'mute_states': muteStates.map((state) => state.toJson()).toList(),
+      'sessionId': sessionId,
+      'muteStates': muteStates.map((state) => state.toJson()).toList(),
     };
   }
 }
@@ -201,7 +197,7 @@ extension UpdateMuteStatesRequestX on sfu.UpdateMuteStatesRequest {
 extension TrackMuteStateX on sfu.TrackMuteState {
   Map<String, dynamic> toJson() {
     return {
-      'track_type': trackType.toString(),
+      'trackType': trackType.value,
       'muted': muted,
     };
   }
@@ -210,7 +206,7 @@ extension TrackMuteStateX on sfu.TrackMuteState {
 extension UpdateSubscriptionsRequestX on sfu.UpdateSubscriptionsRequest {
   Map<String, dynamic> toJson() {
     return {
-      'session_id': sessionId,
+      'sessionId': sessionId,
       'tracks': tracks.map((sub) => sub.toJson()).toList(),
     };
   }
@@ -219,9 +215,9 @@ extension UpdateSubscriptionsRequestX on sfu.UpdateSubscriptionsRequest {
 extension TrackSubscriptionDetailsX on sfu.TrackSubscriptionDetails {
   Map<String, dynamic> toJson() {
     return {
-      'user_id': userId,
-      'session_id': sessionId,
-      'track_type': trackType.toString(),
+      'userId': userId,
+      'sessionId': sessionId,
+      'trackType': trackType.value,
       'dimension': dimension.toJson(),
     };
   }
@@ -239,7 +235,7 @@ extension VideoDimensionX on sfu_models.VideoDimension {
 extension StartNoiseCancellationRequestX on sfu.StartNoiseCancellationRequest {
   Map<String, dynamic> toJson() {
     return {
-      'session_id': sessionId,
+      'sessionId': sessionId,
     };
   }
 }
@@ -247,7 +243,7 @@ extension StartNoiseCancellationRequestX on sfu.StartNoiseCancellationRequest {
 extension StopNoiseCancellationRequestX on sfu.StopNoiseCancellationRequest {
   Map<String, dynamic> toJson() {
     return {
-      'session_id': sessionId,
+      'sessionId': sessionId,
     };
   }
 }
@@ -255,14 +251,14 @@ extension StopNoiseCancellationRequestX on sfu.StopNoiseCancellationRequest {
 extension ReconnectDetailsX on sfu_events.ReconnectDetails {
   Map<String, dynamic> toJson() {
     return {
-      'strategy': strategy.toString(),
-      'announced_tracks': announcedTracks
+      'strategy': strategy.value,
+      'announcedTracks': announcedTracks
           .map((track) => track.toJson())
           .toList(),
       'subscriptions': subscriptions.map((sub) => sub.toJson()).toList(),
-      'reconnect_attempt': reconnectAttempt,
-      'from_sfu_id': fromSfuId,
-      'previous_session_id': previousSessionId,
+      'reconnectAttempt': reconnectAttempt,
+      'fromSfuId': fromSfuId,
+      'previousSessionId': previousSessionId,
       'reason': reason,
     };
   }
@@ -271,8 +267,8 @@ extension ReconnectDetailsX on sfu_events.ReconnectDetails {
 extension SfuChangePublishQualityEventJsonX on SfuChangePublishQualityEvent {
   Map<String, dynamic> toJson() {
     return {
-      'audio_senders': audioSenders.map((sender) => sender.toJson()).toList(),
-      'video_senders': videoSenders.map((sender) => sender.toJson()).toList(),
+      'audioSenders': audioSenders.map((sender) => sender.toJson()).toList(),
+      'videoSenders': videoSenders.map((sender) => sender.toJson()).toList(),
     };
   }
 }
@@ -280,7 +276,7 @@ extension SfuChangePublishQualityEventJsonX on SfuChangePublishQualityEvent {
 extension SfuChangePublishOptionsEventJsonX on SfuChangePublishOptionsEvent {
   Map<String, dynamic> toJson() {
     return {
-      'publish_options': publishOptions
+      'publishOptions': publishOptions
           .map((option) => option.toJson())
           .toList(),
       'reason': reason,
@@ -292,8 +288,8 @@ extension SfuAudioSenderJsonX on SfuAudioSender {
   Map<String, dynamic> toJson() {
     return {
       'codec': codec.toJson(),
-      'track_type': trackType.toString(),
-      'publish_option_id': publishOptionId,
+      'trackType': trackType.toDTO().value,
+      'publishOptionId': publishOptionId,
     };
   }
 }
@@ -303,8 +299,8 @@ extension SfuVideoSenderJsonX on SfuVideoSender {
     return {
       'codec': codec.toJson(),
       'layers': layers.map((layer) => layer.toJson()).toList(),
-      'track_type': trackType.toString(),
-      'publish_option_id': publishOptionId,
+      'trackType': trackType.toDTO().value,
+      'publishOptionId': publishOptionId,
     };
   }
 }
@@ -314,10 +310,11 @@ extension SfuPublishOptionsJsonX on SfuPublishOptions {
     return {
       'id': id,
       'codec': codec.toJson(),
-      'track_type': trackType.toString(),
-      'video_dimension': videoDimension?.toJson(),
-      'max_spatial_layers': maxSpatialLayers,
-      'max_temporal_layers': maxTemporalLayers,
+      'trackType': trackType.toDTO().value,
+      'videoDimension': videoDimension?.toJson(),
+      'maxSpatialLayers': maxSpatialLayers,
+      'maxTemporalLayers': maxTemporalLayers,
+      'useSingleLayer': useSingleLayer,
       'bitrate': bitrate,
       'fps': fps,
     };
@@ -327,11 +324,11 @@ extension SfuPublishOptionsJsonX on SfuPublishOptions {
 extension SfuCodecJsonX on SfuCodec {
   Map<String, dynamic> toJson() {
     return {
-      'payload_type': payloadType,
+      'payloadType': payloadType,
       'name': name,
-      'fmtp_line': fmtpLine,
-      'clock_rate': clockRate,
-      'encoding_parameters': encodingParameters,
+      'fmtp': fmtpLine,
+      'clockRate': clockRate,
+      'encodingParameters': encodingParameters,
     };
   }
 }
@@ -341,10 +338,10 @@ extension SfuVideoLayerSettingJsonX on SfuVideoLayerSetting {
     return {
       'name': name,
       'active': active,
-      'max_bitrate': maxBitrate,
-      'max_framerate': maxFramerate,
-      'scale_resolution_down_by': scaleResolutionDownBy,
-      'scalability_mode': scalabilityMode,
+      'maxBitrate': maxBitrate,
+      'maxFramerate': maxFramerate,
+      'scaleResolutionDownBy': scaleResolutionDownBy,
+      'scalabilityMode': scalabilityMode,
       'codec': codec.toJson(),
     };
   }
@@ -362,7 +359,7 @@ extension RtcVideoDimensionJsonX on RtcVideoDimension {
 extension SfuGoAwayEventJsonX on SfuGoAwayEvent {
   Map<String, dynamic> toJson() {
     return {
-      'go_away_reason': goAwayReason.toString(),
+      'goAwayReason': goAwayReason.toString(),
     };
   }
 }
@@ -380,8 +377,8 @@ extension SfuErrorJsonX on SfuError {
     return {
       'message': message,
       'code': code.toString(),
-      'should_retry': shouldRetry,
-      'reconnect_strategy': reconnectStrategy.toString(),
+      'shouldRetry': shouldRetry,
+      'reconnectStrategy': reconnectStrategy.toDto().value,
     };
   }
 }
@@ -389,7 +386,28 @@ extension SfuErrorJsonX on SfuError {
 extension SfuCallEndedEventJsonX on SfuCallEndedEvent {
   Map<String, dynamic> toJson() {
     return {
-      'call_ended_reason': callEndedReason.toString(),
+      'callEndedReason': callEndedReason.toString(),
+    };
+  }
+}
+
+extension SfuConnectionQualityChangedEventJsonX
+    on SfuConnectionQualityChangedEvent {
+  Map<String, dynamic> toJson() {
+    return {
+      'connectionQualityUpdates': connectionQualityUpdates
+          .map((codec) => codec.toJson())
+          .toList(),
+    };
+  }
+}
+
+extension SfuConnectionQualityInfoJsonX on SfuConnectionQualityInfo {
+  Map<String, dynamic> toJson() {
+    return {
+      'userId': userId,
+      'sessionId': sessionId,
+      'connectionQuality': connectionQuality.index,
     };
   }
 }
@@ -397,21 +415,19 @@ extension SfuCallEndedEventJsonX on SfuCallEndedEvent {
 extension SfuTrackPublishedEventJsonX on SfuTrackPublishedEvent {
   Map<String, dynamic> toJson() {
     return {
-      'user_id': userId,
-      'session_id': sessionId,
-      'track_type': trackType.toString(),
+      'userId': userId,
+      'sessionId': sessionId,
+      'trackType': trackType.toDTO().value,
       'participant': {
-        'user_id': participant.userId,
-        'session_id': participant.sessionId,
-        'user_name': participant.userName,
-        'user_image': participant.userImage,
-        'track_lookup_prefix': participant.trackLookupPrefix,
-        'published_tracks': participant.publishedTracks
+        'userId': participant.userId,
+        'sessionId': participant.sessionId,
+        'trackLookupPrefix': participant.trackLookupPrefix,
+        'publishedTracks': participant.publishedTracks
             .map((track) => track.toString())
             .toList(),
-        'is_speaking': participant.isSpeaking,
-        'is_dominant_speaker': participant.isDominantSpeaker,
-        'audio_level': participant.audioLevel,
+        'isSpeaking': participant.isSpeaking,
+        'isDominantSpeaker': participant.isDominantSpeaker,
+        'audioLevel': participant.audioLevel,
         'roles': participant.roles,
       },
     };
@@ -421,21 +437,19 @@ extension SfuTrackPublishedEventJsonX on SfuTrackPublishedEvent {
 extension SfuTrackUnpublishedEventJsonX on SfuTrackUnpublishedEvent {
   Map<String, dynamic> toJson() {
     return {
-      'user_id': userId,
-      'session_id': sessionId,
-      'track_type': trackType.toString(),
+      'userId': userId,
+      'sessionId': sessionId,
+      'trackType': trackType.toDTO().value,
       'participant': {
-        'user_id': participant.userId,
-        'session_id': participant.sessionId,
-        'user_name': participant.userName,
-        'user_image': participant.userImage,
-        'track_lookup_prefix': participant.trackLookupPrefix,
-        'published_tracks': participant.publishedTracks
+        'userId': participant.userId,
+        'sessionId': participant.sessionId,
+        'trackLookupPrefix': participant.trackLookupPrefix,
+        'publishedTracks': participant.publishedTracks
             .map((track) => track.toString())
             .toList(),
-        'is_speaking': participant.isSpeaking,
-        'is_dominant_speaker': participant.isDominantSpeaker,
-        'audio_level': participant.audioLevel,
+        'isSpeaking': participant.isSpeaking,
+        'isDominantSpeaker': participant.isDominantSpeaker,
+        'audioLevel': participant.audioLevel,
         'roles': participant.roles,
       },
     };
@@ -445,13 +459,13 @@ extension SfuTrackUnpublishedEventJsonX on SfuTrackUnpublishedEvent {
 extension PublishOptionX on sfu_models.PublishOption {
   Map<String, dynamic> toJson() {
     return {
-      'track_type': trackType.toString(),
+      'trackType': trackType.value,
       'codec': codec.toJson(),
       'bitrate': bitrate,
       'fps': fps,
-      'max_spatial_layers': maxSpatialLayers,
-      'max_temporal_layers': maxTemporalLayers,
-      'video_dimension': videoDimension.toJson(),
+      'maxSpatialLayers': maxSpatialLayers,
+      'maxTemporalLayers': maxTemporalLayers,
+      'videoDimension': videoDimension.toJson(),
       'id': id,
     };
   }
@@ -460,7 +474,7 @@ extension PublishOptionX on sfu_models.PublishOption {
 extension SubscribeOptionX on sfu_models.SubscribeOption {
   Map<String, dynamic> toJson() {
     return {
-      'track_type': trackType.toString(),
+      'trackType': trackType.value,
       'codecs': codecs.map((codec) => codec.toJson()).toList(),
     };
   }
@@ -468,23 +482,18 @@ extension SubscribeOptionX on sfu_models.SubscribeOption {
 
 extension JoinRequestX on sfu_events.JoinRequest {
   Map<String, dynamic> toJson() {
-    final subscriberSdpParsed = subscriberSdp.isNotEmpty
-        ? parse(subscriberSdp)
-        : null;
-    final publisherSdpParsed = publisherSdp.isNotEmpty
-        ? parse(publisherSdp)
-        : null;
     return {
       'token': token,
-      'session_id': sessionId,
-      'subscriber_sdp': subscriberSdpParsed,
-      'client_details': clientDetails.toJson(),
-      'reconnect_details': reconnectDetails.toJson(),
-      'publisher_sdp': publisherSdpParsed,
-      'preferred_publish_options': preferredPublishOptions
+      'sessionId': sessionId,
+      'unifiedSessionId': unifiedSessionId,
+      'subscriberSdp': subscriberSdp,
+      'publisherSdp': publisherSdp,
+      'clientDetails': clientDetails.toJson(),
+      'reconnectDetails': reconnectDetails.toJson(),
+      'preferredPublishOptions': preferredPublishOptions
           .map((option) => option.toJson())
           .toList(),
-      'preferred_subscribe_options': preferredSubscribeOptions
+      'preferredSubscribeOptions': preferredSubscribeOptions
           .map((option) => option.toJson())
           .toList(),
       'source': source.toString(),
diff --git a/packages/stream_video/lib/src/webrtc/rtc_manager.dart b/packages/stream_video/lib/src/webrtc/rtc_manager.dart
index b92834191..5851b935c 100644
--- a/packages/stream_video/lib/src/webrtc/rtc_manager.dart
+++ b/packages/stream_video/lib/src/webrtc/rtc_manager.dart
@@ -999,6 +999,10 @@ extension PublisherRtcManager on RtcManager {
   Future<Result<RtcLocalCameraTrack>> setTrackFacingMode({
     required FacingMode facingMode,
   }) async {
+    _logger.d(
+      () => '[setTrackFacingMode] facingMode: $facingMode',
+    );
+
     final track = getPublisherTrackByType(SfuTrackType.video);
     if (track == null) return Result.error('Track not found');
 
@@ -1025,6 +1029,10 @@ extension PublisherRtcManager on RtcManager {
   Future<Result<RtcLocalCameraTrack>> setCameraVideoParameters({
     required RtcVideoParameters params,
   }) async {
+    _logger.d(
+      () => '[setCameraVideoParameters] params: $params',
+    );
+
     final track = getPublisherTrackByType(SfuTrackType.video);
 
     if (track == null) {
diff --git a/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device.dart b/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device.dart
index e7001bd0c..4f88e3798 100644
--- a/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device.dart
+++ b/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device.dart
@@ -44,6 +44,15 @@ class RtcMediaDevice with EquatableMixin {
   @override
   List<Object?> get props => [id, kind, groupId, label];
 
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'label': label,
+      'groupId': groupId,
+      'kind': kind.alias,
+    };
+  }
+
   /// The set of external audio ports that are considered external outputs
   static const Set<String> iOSExternalPorts = {
     'bluetoothA2DP',
diff --git a/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device_notifier.dart b/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device_notifier.dart
index 237c8cc44..086ed5838 100644
--- a/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device_notifier.dart
+++ b/packages/stream_video/lib/src/webrtc/rtc_media_device/rtc_media_device_notifier.dart
@@ -1,8 +1,11 @@
 import 'package:collection/collection.dart';
+import 'package:flutter/foundation.dart';
+import 'package:meta/meta.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:stream_webrtc_flutter/stream_webrtc_flutter.dart' as rtc;
 
 import '../../../open_api/video/coordinator/api.dart';
+import '../../call/stats/tracer.dart';
 import '../../errors/video_error_composer.dart';
 import '../../platform_detector/platform_detector.dart';
 import '../../utils/extensions.dart';
@@ -40,6 +43,13 @@ class RtcMediaDeviceNotifier {
   Stream<List<RtcMediaDevice>> get onDeviceChange => _devicesController.stream;
   final _devicesController = BehaviorSubject<List<RtcMediaDevice>>();
 
+  final _tracer = Tracer(null);
+
+  @internal
+  TraceSlice getTrace() {
+    return _tracer.take();
+  }
+
   /// Allows to handle call interruption callbacks.
   /// [onInterruptionStart] is called when the call interruption begins.
   /// [onInterruptionEnd] is called when the call interruption ends.
@@ -143,6 +153,11 @@ class RtcMediaDeviceNotifier {
           ),
       ];
 
+      _tracer.trace(
+        'navigator.mediaDevices.enumeratedevices',
+        mediaDevices.map((device) => device.toJson()).toList(),
+      );
+
       _devicesController.add(mediaDevices);
 
       if (kind != null) {
@@ -180,12 +195,14 @@ class RtcMediaDeviceNotifier {
   /// This does not affect the microphone or remote track subscriptions.
   /// Use as a global "mute all sounds" toggle or when the app goes to background.
   Future<void> pauseAudioPlayout() {
+    _tracer.trace('navigator.mediaDevices.pauseAudioPlayout', null);
     return rtc.Helper.pauseAudioPlayout();
   }
 
   /// Resumes audio output (playout) muted via [pauseAudioPlayout].
   /// Does not change microphone state or remote track subscriptions.
   Future<void> resumeAudioPlayout() {
+    _tracer.trace('navigator.mediaDevices.resumeAudioPlayout', null);
     return rtc.Helper.resumeAudioPlayout();
   }
 
@@ -195,6 +212,7 @@ class RtcMediaDeviceNotifier {
   /// To ensure you receive `onInterruptionEnd`, explicitly call
   /// [resumeAudioPlayout] (e.g., when the app resumes from background).
   Future<void> regainAndroidAudioFocus() {
+    _tracer.trace('navigator.mediaDevices.regainAndroidAudioFocus', null);
     return rtc.Helper.regainAndroidAudioFocus();
   }
 }
diff --git a/packages/stream_video/test/src/call/fixtures/call_test_helpers.dart b/packages/stream_video/test/src/call/fixtures/call_test_helpers.dart
index 17bf8b58a..de373be8e 100644
--- a/packages/stream_video/test/src/call/fixtures/call_test_helpers.dart
+++ b/packages/stream_video/test/src/call/fixtures/call_test_helpers.dart
@@ -303,10 +303,12 @@ MockCallSession setupMockCallSession() {
   when(
     callSession.getTrace,
   ).thenReturn(
-    TraceSlice(
-      snapshot: [],
-      rollback: () {},
-    ),
+    [
+      TraceSlice(
+        snapshot: [],
+        rollback: () {},
+      ),
+    ],
   );
 
   when(