diff --git a/app/src/main/java/com/rosetta/messenger/push/RosettaFirebaseMessagingService.kt b/app/src/main/java/com/rosetta/messenger/push/RosettaFirebaseMessagingService.kt
index 18bd950..f32ad54 100644
--- a/app/src/main/java/com/rosetta/messenger/push/RosettaFirebaseMessagingService.kt
+++ b/app/src/main/java/com/rosetta/messenger/push/RosettaFirebaseMessagingService.kt
@@ -56,14 +56,43 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         fun cancelNotificationForChat(context: Context, senderPublicKey: String) {
             val notificationManager =
                     context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
-            val normalizedKey = senderPublicKey.trim()
-            if (normalizedKey.isNotEmpty()) {
-                notificationManager.cancel(getNotificationIdForChat(normalizedKey))
+            val variants = buildDialogKeyVariants(senderPublicKey)
+            for (key in variants) {
+                notificationManager.cancel(getNotificationIdForChat(key))
             }
             // Fallback: некоторые серверные payload могут прийти без sender key.
             // Для них используется ID от пустой строки — тоже очищаем при входе в диалог.
             notificationManager.cancel(getNotificationIdForChat(""))
         }
+
+        private fun buildDialogKeyVariants(rawKey: String): Set<String> {
+            val trimmed = rawKey.trim()
+            if (trimmed.isBlank()) return emptySet()
+
+            val variants = linkedSetOf(trimmed)
+            val lower = trimmed.lowercase(Locale.ROOT)
+            when {
+                lower.startsWith("#group:") -> {
+                    val groupId = trimmed.substringAfter(':').trim()
+                    if (groupId.isNotBlank()) {
+                        variants.add("group:$groupId")
+                        variants.add(groupId)
+                    }
+                }
+                lower.startsWith("group:") -> {
+                    val groupId = trimmed.substringAfter(':').trim()
+                    if (groupId.isNotBlank()) {
+                        variants.add("#group:$groupId")
+                        variants.add(groupId)
+                    }
+                }
+                else -> {
+                    variants.add("#group:$trimmed")
+                    variants.add("group:$trimmed")
+                }
+            }
+            return variants
+        }
     }
 
     /** Вызывается когда получен новый FCM токен Отправляем его на сервер через протокол */
@@ -90,6 +119,8 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         // Обрабатываем data payload
         if (remoteMessage.data.isNotEmpty()) {
             val data = remoteMessage.data
+            val notificationTitle = remoteMessage.notification?.title?.trim().orEmpty()
+            val notificationBody = remoteMessage.notification?.body?.trim().orEmpty()
             val type =
                     firstNonBlank(data, "type", "event", "action")
                             ?.lowercase(Locale.ROOT)
@@ -100,15 +131,26 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
                             "sender_public_key",
                             "from_public_key",
                             "fromPublicKey",
+                            "from",
                             "public_key",
                             "publicKey"
                     )
             val senderName =
-                    firstNonBlank(data, "sender_name", "from_title", "sender", "title", "name")
+                    firstNonBlank(
+                                    data,
+                                    "sender_name",
+                                    "sender_title",
+                                    "from_title",
+                                    "sender",
+                                    "title",
+                                    "name"
+                            )
+                            ?: notificationTitle.takeIf { it.isNotBlank() }
                             ?: senderPublicKey?.take(10)
                             ?: "Rosetta"
             val messagePreview =
                     firstNonBlank(data, "message_preview", "message", "text", "body")
+                            ?: notificationBody.takeIf { it.isNotBlank() }
                             ?: "New message"
 
             val isReadEvent = type == "message_read" || type == "read"
@@ -152,7 +194,21 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         // с неуправляемым notification id.
         remoteMessage.notification?.let {
             if (!handledMessageData) {
-                showSimpleNotification(it.title ?: "Rosetta", it.body ?: "New message")
+                val senderPublicKey =
+                        firstNonBlank(
+                                remoteMessage.data,
+                                "sender_public_key",
+                                "from_public_key",
+                                "fromPublicKey",
+                                "from",
+                                "public_key",
+                                "publicKey"
+                        )
+                showSimpleNotification(
+                        it.title ?: "Rosetta",
+                        it.body ?: "New message",
+                        senderPublicKey
+                )
             }
         }
     }
@@ -223,8 +279,12 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         if (isAppInForeground || !areNotificationsEnabled()) {
             return
         }
+        val senderKey = senderPublicKey?.trim().orEmpty()
+        if (senderKey.isNotEmpty() && isDialogMuted(senderKey)) {
+            return
+        }
         // Dedup: suppress duplicate pushes within DEDUP_WINDOW_MS
-        val dedupKey = senderPublicKey?.trim()?.ifEmpty { null } ?: "__simple__"
+        val dedupKey = senderKey.ifEmpty { "__simple__" }
         val now = System.currentTimeMillis()
         val lastTs = lastNotifTimestamps[dedupKey]
         if (lastTs != null && now - lastTs < DEDUP_WINDOW_MS) {
@@ -235,8 +295,8 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         createNotificationChannel()
 
         // Используем sender-based ID если известен ключ — чтобы cancelNotificationForChat мог убрать уведомление
-        val notifId = if (!senderPublicKey.isNullOrBlank()) {
-            getNotificationIdForChat(senderPublicKey.trim())
+        val notifId = if (senderKey.isNotEmpty()) {
+            getNotificationIdForChat(senderKey)
         } else {
             (title + body).hashCode() and 0x7FFFFFFF
         }
@@ -318,7 +378,10 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
             val accountManager = AccountManager(applicationContext)
             val currentAccount = accountManager.getLastLoggedPublicKey().orEmpty()
             runBlocking(Dispatchers.IO) {
-                PreferencesManager(applicationContext).isChatMuted(currentAccount, senderPublicKey)
+                val preferences = PreferencesManager(applicationContext)
+                buildDialogKeyVariants(senderPublicKey).any { key ->
+                    preferences.isChatMuted(currentAccount, key)
+                }
             }
         }.getOrDefault(false)
     }