diff --git a/apps/dispatch/app/_components/left/Chat.tsx b/apps/dispatch/app/_components/left/Chat.tsx
index bcf1b61d..c07485f1 100644
--- a/apps/dispatch/app/_components/left/Chat.tsx
+++ b/apps/dispatch/app/_components/left/Chat.tsx
@@ -85,18 +85,18 @@ export const Chat = () => {
 										Keine Chatpartner gefunden
 									</option>
 								)}
-								{filteredDispatcher?.length ||
-									(filteredAircrafts?.length && (
-										<option disabled value="default">
-											Chatpartner auswählen
-										</option>
-									))}
+								{(filteredDispatcher?.length || filteredAircrafts?.length) && (
+									<option disabled value="default">
+										Chatpartner auswählen
+									</option>
+								)}
 
 								{filteredDispatcher?.map((dispatcher) => (
 									<option key={dispatcher.userId} value={dispatcher.userId}>
 										{dispatcher.zone} - {asPublicUser(dispatcher.publicUser).fullName}
 									</option>
 								))}
+
 								{filteredAircrafts?.map((aircraft) => (
 									<option key={aircraft.userId} value={aircraft.userId}>
 										{aircraft.Station.bosCallsignShort} -{" "}
@@ -111,7 +111,8 @@ export const Chat = () => {
 									const dispatcherUser = dispatcher?.find((d) => d.userId === addTabValue);
 									const user = aircraftUser || dispatcherUser;
 									if (!user) return;
-									addChat(addTabValue, asPublicUser(user.publicUser).fullName);
+									let role = "Station" in user ? user.Station.bosCallsignShort : user.zone;
+									addChat(addTabValue, `${asPublicUser(user.publicUser).fullName} (${role})`);
 									setSelectedChat(addTabValue);
 								}}
 							>
@@ -124,21 +125,13 @@ export const Chat = () => {
 								if (!chat) return null;
 								return (
 									<Fragment key={userId}>
-										<input
-											type="radio"
-											className="tab"
-											aria-label={`<${chat.name}>`}
-											checked={selectedChat === userId}
-											onClick={() => {
-												setChatNotification(userId, false);
-											}}
-											onChange={(e) => {
-												if (e.target.checked) {
-													// Handle tab change
-													setSelectedChat(userId);
-												}
-											}}
-										/>
+										<a
+											className={cn("indicator tab", selectedChat === userId && "tab-active")}
+											onClick={() => setSelectedChat(userId)}
+										>
+											{chat.name}
+											{chat.notification && <span className="indicator-item status status-info" />}
+										</a>
 										<div className="tab-content bg-base-100 border-base-300 p-6 overflow-y-auto">
 											{chat.messages.map((chatMessage) => {
 												const isSender = chatMessage.senderId === session.data?.user.id;
@@ -162,64 +155,71 @@ export const Chat = () => {
 								);
 							})}
 						</div>
-						<div className="join">
-							<div className="w-full">
-								<label className="input join-item w-full">
-									<input
-										type="text"
-										required
-										className="w-full"
-										onChange={(e) => {
-											setMessage(e.target.value);
-										}}
-										onKeyDown={(e) => {
-											if (e.key === "Enter" && !e.shiftKey) {
-												e.preventDefault();
-												if (message.length < 1) return;
-												if (!selectedChat) return;
-												setSending(true);
-												sendMessage(selectedChat, message)
-													.then(() => {
-														setMessage("");
-														setSending(false);
-													})
-													.catch(() => {
-														setSending(false);
-													});
-											}
-										}}
-										value={message}
-									/>
-								</label>
+						{!selectedChat && (
+							<div role="alert" className="alert alert-info alert-outline">
+								<span>Wähle einen Nutzer aus und drücke auf + um einen Chat zu starten</span>
 							</div>
-							<button
-								className="btn btn-soft join-item"
-								onClick={(e) => {
-									e.preventDefault();
-									if (message.length < 1) return;
-									if (!selectedChat) return;
-									setSending(true);
-									sendMessage(selectedChat, message)
-										.then(() => {
-											setMessage("");
-											setSending(false);
-										})
-										.catch(() => {
-											setSending(false);
-										});
-									return false;
-								}}
-								disabled={sending}
-								role="button"
-								onSubmit={() => false} // prevent submit event for react hook form
-							>
-								{sending ? (
-									<span className="loading loading-spinner loading-sm"></span>
-								) : (
-									<PaperPlaneIcon />
-								)}
-							</button>
-						</div>
+						)}
+						{selectedChat && (
+							<div className="join">
+								<div className="w-full">
+									<label className="input join-item w-full">
+										<input
+											type="text"
+											required
+											className="w-full"
+											onChange={(e) => {
+												setMessage(e.target.value);
+											}}
+											onKeyDown={(e) => {
+												if (e.key === "Enter" && !e.shiftKey) {
+													e.preventDefault();
+													if (message.length < 1) return;
+													if (!selectedChat) return;
+													setSending(true);
+													sendMessage(selectedChat, message)
+														.then(() => {
+															setMessage("");
+															setSending(false);
+														})
+														.catch(() => {
+															setSending(false);
+														});
+												}
+											}}
+											value={message}
+										/>
+									</label>
+								</div>
+								<button
+									className="btn btn-soft join-item"
+									onClick={(e) => {
+										e.preventDefault();
+										if (message.length < 1) return;
+										if (!selectedChat) return;
+										setSending(true);
+										sendMessage(selectedChat, message)
+											.then(() => {
+												setMessage("");
+												setSending(false);
+											})
+											.catch(() => {
+												setSending(false);
+											});
+										return false;
+									}}
+									disabled={sending}
+									role="button"
+									onSubmit={() => false} // prevent submit event for react hook form
+								>
+									{sending ? (
+										<span className="loading loading-spinner loading-sm"></span>
+									) : (
+										<PaperPlaneIcon />
+									)}
+								</button>
+							</div>
+						)}
 					</div>
 				</div>
 			)}
diff --git a/apps/dispatch/app/_components/map/MissionMarkers.tsx b/apps/dispatch/app/_components/map/MissionMarkers.tsx
index ed42336a..ad9d73e7 100644
--- a/apps/dispatch/app/_components/map/MissionMarkers.tsx
+++ b/apps/dispatch/app/_components/map/MissionMarkers.tsx
@@ -372,6 +372,7 @@ export const MissionLayer = () => {
 			getMissionsAPI({
 				OR: [{ state: "draft" }, { state: "running" }],
 			}),
+		refetchInterval: 10_000,
 	});
 
 	const filteredMissions = useMemo(() => {
diff --git a/apps/dispatch/app/_store/audioStore.ts b/apps/dispatch/app/_store/audioStore.ts
index 77d3956e..a736deee 100644
--- a/apps/dispatch/app/_store/audioStore.ts
+++ b/apps/dispatch/app/_store/audioStore.ts
@@ -46,7 +46,7 @@ export const useAudioStore = create<TalkState>((set, get) => ({
 	micDeviceId: null,
 	speakingParticipants: [],
 	micVolume: 1,
-	state: "disconnected",
+	state: "disconnected" as const,
 	remoteParticipants: 0,
 	connectionQuality: ConnectionQuality.Unknown,
 	room: null,
@@ -77,16 +77,23 @@ export const useAudioStore = create<TalkState>((set, get) => ({
 		set({ micDeviceId, micVolume });
 	},
 	toggleTalking: () => {
-		const { room, isTalking, micDeviceId, micVolume, speakingParticipants } = get();
+		const { room, isTalking, micDeviceId, micVolume, speakingParticipants, transmitBlocked } =
+			get();
 		if (!room) return;
 
-		if (speakingParticipants.length > 0 && !isTalking) {
+		if (speakingParticipants.length > 0 && !isTalking && !transmitBlocked) {
 			// Wenn andere sprechen, nicht reden
 			set({
 				message: "Rufgruppe besetzt",
 				transmitBlocked: true,
 			});
 			return;
+		} else if (!isTalking && transmitBlocked) {
+			set({
+				message: null,
+				transmitBlocked: false,
+			});
+			return;
 		}
 		// Todo: use micVolume
 		room.localParticipant.setMicrophoneEnabled(!isTalking, {
diff --git a/apps/dispatch/app/_store/leftMenuStore.ts b/apps/dispatch/app/_store/leftMenuStore.ts
index e1b48c2c..653e93d9 100644
--- a/apps/dispatch/app/_store/leftMenuStore.ts
+++ b/apps/dispatch/app/_store/leftMenuStore.ts
@@ -30,21 +30,30 @@ export const useLeftMenuStore = create<ChatStore>((set, get) => ({
 	chatOpen: false,
 	selectedChat: null,
 	setChatOpen: (open: boolean) => set({ chatOpen: open }),
-	setSelectedChat: (chatId: string | null) => set({ selectedChat: chatId }),
+	setSelectedChat: (chatId: string | null) => {
+		const { setChatNotification } = get();
+		set({ selectedChat: chatId });
+		if (chatId) {
+			setChatNotification(chatId, false); // Set notification to false when chat is selected
+		}
+	},
 	setOwnId: (id: string) => set({ ownId: id }),
 	chats: {},
 	sendMessage: (userId: string, message: string) => {
 		return new Promise((resolve, reject) => {
-			if(dispatchSocket.connected){
-
-				dispatchSocket.emit("send-message", { userId, message }, ({ error }: { error?: string }) => {
-					if (error) {
-						reject(error);
-					} else {
-						resolve();
-					}
-				});
-			} else if(pilotSocket.connected){
+			if (dispatchSocket.connected) {
+				dispatchSocket.emit(
+					"send-message",
+					{ userId, message },
+					({ error }: { error?: string }) => {
+						if (error) {
+							reject(error);
+						} else {
+							resolve();
+						}
+					},
+				);
+			} else if (pilotSocket.connected) {
 				pilotSocket.emit("send-message", { userId, message }, ({ error }: { error?: string }) => {
 					if (error) {
 						reject(error);
@@ -66,7 +75,6 @@ export const useLeftMenuStore = create<ChatStore>((set, get) => ({
 	setChatNotification: (userId, notification) => {
 		const chat = get().chats[userId];
 		if (!chat) return;
-		console.log("setChatNotification", userId, notification);
 		set((state) => {
 			return {
 				chats: {
@@ -95,7 +103,7 @@ export const useLeftMenuStore = create<ChatStore>((set, get) => ({
 					[userId]: {
 						...user,
 						name: isSender ? message.receiverName : message.senderName,
-						notification: !isSender && (state.selectedChat !== userId || !state.chatOpen),
+						notification: state.selectedChat !== userId || !state.chatOpen,
 						messages: [...user.messages, message], // Neuen Zustand erzeugen
 					},
 				},
diff --git a/apps/dispatch/app/pilot/layout.tsx b/apps/dispatch/app/pilot/layout.tsx
index 3c2d1711..ff9fdb97 100644
--- a/apps/dispatch/app/pilot/layout.tsx
+++ b/apps/dispatch/app/pilot/layout.tsx
@@ -16,7 +16,7 @@ export default async function RootLayout({
 }>) {
 	const session = await getServerSession();
 
-	if (!session || !session.user) {
+	if (!session || !session.user.firstname) {
 		redirect("/login");
 	}
 	if (!session.user.emailVerified) {
diff --git a/apps/hub/app/(auth)/register/_components/Register.tsx b/apps/hub/app/(auth)/register/_components/Register.tsx
index 984cd2cd..bf5d7001 100644
--- a/apps/hub/app/(auth)/register/_components/Register.tsx
+++ b/apps/hub/app/(auth)/register/_components/Register.tsx
@@ -53,7 +53,6 @@ export const Register = () => {
 			passwordConfirm: "",
 		},
 	});
-	console.log("Register form", form.formState.errors);
 	return (
 		<form
 			className="card-body"
@@ -67,6 +66,10 @@ export const Register = () => {
 						firstname: form.getValues("firstname"),
 						lastname: form.getValues("lastname"),
 					});
+					if ("error" in user) {
+						toast.error(user.error);
+						return;
+					}
 					await sendVerificationLink(user.id);
 					await signIn("credentials", {
 						callbackUrl: "/",
diff --git a/apps/hub/app/(auth)/register/action.ts b/apps/hub/app/(auth)/register/action.ts
index 147dca0c..31c4fba8 100644
--- a/apps/hub/app/(auth)/register/action.ts
+++ b/apps/hub/app/(auth)/register/action.ts
@@ -27,7 +27,9 @@ export const register = async ({ password, ...user }: Omit<Prisma.UserCreateInpu
 		},
 	});
 	if (existingUser) {
-		throw new Error("Ein Nutzer mit dieser E-Mail-Adresse existiert bereits.");
+		return {
+			error: "Ein Nutzer mit dieser E-Mail-Adresse existiert bereits.",
+		};
 	}
 
 	const newUser = prisma.user.create({