diff --git a/app/src/main/java/com/nextcloud/talk/activities/CallActivity.java b/app/src/main/java/com/nextcloud/talk/activities/CallActivity.java
index e56cb7db8..fc402088e 100644
--- a/app/src/main/java/com/nextcloud/talk/activities/CallActivity.java
+++ b/app/src/main/java/com/nextcloud/talk/activities/CallActivity.java
@@ -1989,7 +1989,7 @@ public class CallActivity extends CallBaseActivity {
 
                 @Override
                 public void onError(@io.reactivex.annotations.NonNull Throwable e) {
-                    // unused atm
+                    Log.e(TAG, "Error while leaving the call", e);
                 }
 
                 @Override
diff --git a/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt b/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
index 984abb5bc..b095b92b9 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt
@@ -2216,7 +2216,7 @@ class ChatActivity :
                 Log.d(TAG, "not leaving room (validSessionId is false)")
             }
         } else {
-            Log.e(TAG, "not leaving room...")
+            Log.d(TAG, "not leaving room...")
         }
 
         if (mentionAutocomplete != null && mentionAutocomplete!!.isPopupShowing) {
diff --git a/app/src/main/java/com/nextcloud/talk/jobs/WebsocketConnectionsWorker.java b/app/src/main/java/com/nextcloud/talk/jobs/WebsocketConnectionsWorker.java
index b980a1783..d500657d1 100644
--- a/app/src/main/java/com/nextcloud/talk/jobs/WebsocketConnectionsWorker.java
+++ b/app/src/main/java/com/nextcloud/talk/jobs/WebsocketConnectionsWorker.java
@@ -23,6 +23,7 @@ package com.nextcloud.talk.jobs;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.text.TextUtils;
+import android.util.Log;
 
 import com.nextcloud.talk.application.NextcloudTalkApplication;
 import com.nextcloud.talk.data.user.model.User;
@@ -41,6 +42,8 @@ import autodagger.AutoInjector;
 @AutoInjector(NextcloudTalkApplication.class)
 public class WebsocketConnectionsWorker extends Worker {
 
+    public static final String TAG = "WebsocketConnectionsWorker";
+
     @Inject
     UserManager userManager;
 
@@ -52,6 +55,8 @@ public class WebsocketConnectionsWorker extends Worker {
     @NonNull
     @Override
     public Result doWork() {
+        Log.d(TAG, "WebsocketConnectionsWorker started ");
+
         NextcloudTalkApplication.Companion.getSharedApplication().getComponentApplication().inject(this);
 
         List<User> users = userManager.getUsers().blockingGet();
@@ -61,9 +66,14 @@ public class WebsocketConnectionsWorker extends Worker {
                 user.getExternalSignalingServer().getExternalSignalingServer() != null &&
                 !TextUtils.isEmpty(user.getExternalSignalingServer().getExternalSignalingServer()) &&
                 !TextUtils.isEmpty(user.getExternalSignalingServer().getExternalSignalingTicket())) {
+
+                Log.d(TAG,
+                      "WebsocketConnectionsWorker - getExternalSignalingInstanceForServer for user " + user.getDisplayName());
+
                 webSocketConnectionHelper.getExternalSignalingInstanceForServer(
                     user.getExternalSignalingServer().getExternalSignalingServer(),
-                    user, user.getExternalSignalingServer().getExternalSignalingTicket(),
+                    user,
+                    user.getExternalSignalingServer().getExternalSignalingTicket(),
                     false);
             }
         }
diff --git a/app/src/main/java/com/nextcloud/talk/utils/singletons/ApplicationWideCurrentRoomHolder.java b/app/src/main/java/com/nextcloud/talk/utils/singletons/ApplicationWideCurrentRoomHolder.java
index 3383681bc..ae3d34725 100644
--- a/app/src/main/java/com/nextcloud/talk/utils/singletons/ApplicationWideCurrentRoomHolder.java
+++ b/app/src/main/java/com/nextcloud/talk/utils/singletons/ApplicationWideCurrentRoomHolder.java
@@ -20,9 +20,13 @@
 
 package com.nextcloud.talk.utils.singletons;
 
+import android.util.Log;
+
 import com.nextcloud.talk.data.user.model.User;
 
 public class ApplicationWideCurrentRoomHolder {
+
+    public static final String TAG = "ApplicationWideCurrentRoomHolder";
     private static final ApplicationWideCurrentRoomHolder holder = new ApplicationWideCurrentRoomHolder();
     private String currentRoomId = "";
     private String currentRoomToken = "";
@@ -36,6 +40,7 @@ public class ApplicationWideCurrentRoomHolder {
     }
 
     public void clear() {
+        Log.d(TAG, "ApplicationWideCurrentRoomHolder was cleared");
         currentRoomId = "";
         userInRoom = new User();
         inCall = false;
diff --git a/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketConnectionHelper.java b/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketConnectionHelper.java
index 1a49a1ee4..6d4f4e3d1 100644
--- a/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketConnectionHelper.java
+++ b/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketConnectionHelper.java
@@ -84,12 +84,14 @@ public class WebSocketConnectionHelper {
 
         WebSocketInstance webSocketInstance;
         if (userId != -1 && webSocketInstanceMap.containsKey(user.getId()) && (webSocketInstance = webSocketInstanceMap.get(user.getId())) != null) {
+            Log.d(TAG, "webSocketInstanceMap already contained webSocketInstance for userId " + user.getId());
             return webSocketInstance;
         } else {
             if (userId == -1) {
                 deleteExternalSignalingInstanceForUserEntity(userId);
             }
             webSocketInstance = new WebSocketInstance(user, generatedURL, webSocketTicket);
+            Log.d(TAG, "created new webSocketInstance for userId " + user.getId());
             webSocketInstanceMap.put(user.getId(), webSocketInstance);
             return webSocketInstance;
         }
diff --git a/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketInstance.kt b/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketInstance.kt
index b50859f7c..5964ba97f 100644
--- a/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketInstance.kt
+++ b/app/src/main/java/com/nextcloud/talk/webrtc/WebSocketInstance.kt
@@ -125,6 +125,7 @@ class WebSocketInstance internal constructor(
     }
 
     override fun onOpen(webSocket: WebSocket, response: Response) {
+        Log.d(TAG, "Open webSocket")
         internalWebSocket = webSocket
         sendHello()
     }