diegolmello · Apr 6, 2026 · Mar 27, 2026 · Mar 30, 2026 · Mar 30, 2026 · Mar 30, 2026
diff --git a/android/app/src/main/java/chat/rocket/reactnative/voip/VoipNotification.kt b/android/app/src/main/java/chat/rocket/reactnative/voip/VoipNotification.kt
@@ -1,14 +1,17 @@
 package chat.rocket.reactnative.voip
 
+import android.Manifest
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.graphics.Bitmap
 import android.media.AudioAttributes
+import android.media.AudioManager
 import android.media.RingtoneManager
 import android.os.Build
 import android.os.Bundle
@@ -17,6 +20,7 @@ import android.os.Looper
 import android.provider.Settings
 import android.util.Log
 import androidx.core.app.NotificationCompat
+import androidx.core.content.ContextCompat
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import android.content.ComponentName
 import android.net.Uri
@@ -477,6 +481,70 @@ class VoipNotification(private val context: Context) {
             }
         }
 
+        /**
+         * True when the user is already in a call: this app's Telecom connections (ringing, dialing,
+         * active, hold — same idea as iOS CXCallObserver "any non-ended"), any system in-call state
+         * (API 26+ when READ_PHONE_STATE is granted), or audio in communication mode (fallback on all
+         * API levels when Telecom is unavailable or denied).
+         */
+        private fun hasActiveCall(context: Context): Boolean {
+            val ownBusy = VoiceConnectionService.currentConnections.values.any { connection ->
+                when (connection.state) {
+                    android.telecom.Connection.STATE_RINGING,
+                    android.telecom.Connection.STATE_DIALING,
+                    android.telecom.Connection.STATE_ACTIVE,
+                    android.telecom.Connection.STATE_HOLDING -> true
+                    else -> false
+                }
+            }
+            if (ownBusy) {
+                return true
+            }
+            return hasSystemLevelActiveCallIndicators(context)
+        }
+
+        /**
+         * Telecom in-call check (API 26+) requires [READ_PHONE_STATE]; without it, [TelecomManager.isInCall]
+         * can throw [SecurityException]. Always falls back to [AudioManager.MODE_IN_COMMUNICATION] on all APIs.
+         */
+        private fun hasSystemLevelActiveCallIndicators(context: Context): Boolean {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                val granted = ContextCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) ==
+                    PackageManager.PERMISSION_GRANTED
+                if (granted) {
+                    val telecom = context.getSystemService(Context.TELECOM_SERVICE) as? TelecomManager
+                    try {
+                        if (telecom?.isInCall == true) {
+                            return true
+                        }
+                    } catch (e: SecurityException) {
+                        Log.w(TAG, "TelecomManager.isInCall not allowed", e)
+                    }
+                }
+            }
+            val audio = context.getSystemService(Context.AUDIO_SERVICE) as? AudioManager
+            if (audio?.mode == AudioManager.MODE_IN_COMMUNICATION) {
+                return true
+            }
+            return false
+        }
+
+        /**
+         * Rejects an incoming call because the user is already on another call.
+         * Sends a reject signal via DDP and cleans up without showing any UI.
+         */
+        @JvmStatic
+        fun rejectBusyCall(context: Context, payload: VoipPayload) {
+            Log.d(TAG, "Rejected busy call ${payload.callId} — user already on a call")
+            cancelTimeout(payload.callId)
+            startListeningForCallEnd(context, payload)
+            if (isDdpLoggedIn) {
+                sendRejectSignal(context, payload)
+            } else {
+                queueRejectSignal(context, payload)
+            }
+        }
+
         // -- Native DDP Listener (Call End Detection) --
 
         @JvmStatic
@@ -613,7 +681,13 @@ class VoipNotification(private val context: Context) {
 
     fun onMessageReceived(voipPayload: VoipPayload) {
         when {
-            voipPayload.isVoipIncomingCall() -> showIncomingCall(voipPayload)
+            voipPayload.isVoipIncomingCall() -> {
+                if (hasActiveCall(context)) {
+                    rejectBusyCall(context, voipPayload)
+                } else {
+                    showIncomingCall(voipPayload)
+                }
+            }
             else -> Log.w(TAG, "Ignoring unsupported VoIP payload type: ${voipPayload.type}")
         }
     }

diff --git a/app/i18n/locales/ar.json b/app/i18n/locales/ar.json
@@ -425,6 +425,8 @@
   "Pause": "توقف مؤقت",
   "Permalink_copied_to_clipboard": "تم نسخ الرابط الثابت إلى الحافظة!",
   "Phone": "الهاتف",
+  "Phone_state_permission_message": "يتيح ذلك لـ Rocket.Chat معرفة ما إذا كنت في مكالمة هاتفية أو VoIP حاليًا كي تُعالج المكالمات الواردة بشكل صحيح.",
+  "Phone_state_permission_title": "السماح بالوصول إلى حالة الهاتف",
   "Pin": "ثبت",
   "Pinned": "مثبت",
   "Play": "لعب",

diff --git a/app/i18n/locales/bn-IN.json b/app/i18n/locales/bn-IN.json
@@ -595,6 +595,8 @@
   "Permalink_copied_to_clipboard": "পারমালিঙ্ক ক্লিপবোর্ডে কপি করা হয়েছে!",
   "Person_or_channel": "ব্যক্তি বা চ্যানেল",
   "Phone": "ফোন",
+  "Phone_state_permission_message": "এটি Rocket.Chat-কে আপনি ইতিমধ্যে কোনও ফোন বা VoIP কলে আছেন কিনা তা শনাক্ত করতে দেয়, যাতে ইনকামিং কলগুলি সঠিকভাবে পরিচালনা করা যায়।",
+  "Phone_state_permission_title": "ফোনের অবস্থা অ্যাক্সেসের অনুমতি দিন",
   "Pin": "পিন",
   "Pinned": "পিনকরা",
   "Pinned_a_message": "একটি বার্তা পিন করা হয়েছে:",

diff --git a/app/i18n/locales/cs.json b/app/i18n/locales/cs.json
@@ -634,6 +634,8 @@
   "Permalink_copied_to_clipboard": "Trvalý odkaz zkopírován do schránky!",
   "Person_or_channel": "Osoba nebo kanál",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Rocket.Chat tak může zjistit, zda již probíhá telefonní nebo hlasový (VoIP) hovor, a správně zpracovat příchozí hovory.",
+  "Phone_state_permission_title": "Povolit přístup ke stavu telefonu",
   "Pin": "Kolík",
   "Pinned": "Připnuto",
   "Pinned_a_message": "Připnuta zpráva:",

diff --git a/app/i18n/locales/de.json b/app/i18n/locales/de.json
@@ -583,6 +583,8 @@
   "Pause": "Pause",
   "Permalink_copied_to_clipboard": "Permalink in die Zwischenablage kopiert!",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Damit kann Rocket.Chat erkennen, ob Sie bereits in einem Telefon- oder VoIP-Gespräch sind, damit eingehende Anrufe korrekt behandelt werden können.",
+  "Phone_state_permission_title": "Zugriff auf den Telefonstatus erlauben",
   "Pin": "Anheften",
   "Pinned": "Angeheftet",
   "Place_chat_on_hold": "Chat in die Warteschleife stellen",

diff --git a/app/i18n/locales/en.json b/app/i18n/locales/en.json
@@ -662,6 +662,8 @@
   "Permalink_copied_to_clipboard": "Permalink copied to clipboard!",
   "Person_or_channel": "Person or channel",
   "Phone": "Phone",
+  "Phone_state_permission_message": "This lets Rocket.Chat detect when you are already on a phone or VoIP call so incoming calls can be handled correctly.",
+  "Phone_state_permission_title": "Allow phone state access",
   "Pin": "Pin",
   "Pinned": "Pinned",
   "Pinned_a_message": "Pinned a message:",

diff --git a/app/i18n/locales/es.json b/app/i18n/locales/es.json
@@ -306,6 +306,8 @@
   "Passwords_do_not_match": "Las contraseñas no coinciden.",
   "Pause": "Pausa",
   "Permalink_copied_to_clipboard": "¡Enlace permanente copiado al portapapeles!",
+  "Phone_state_permission_message": "Permite que Rocket.Chat detecte si ya está en una llamada telefónica o VoIP para gestionar correctamente las llamadas entrantes.",
+  "Phone_state_permission_title": "Permitir acceso al estado del teléfono",
   "Pin": "Fijar",
   "Pinned": "Fijado",
   "Play": "Jugar",

diff --git a/app/i18n/locales/fi.json b/app/i18n/locales/fi.json
@@ -560,6 +560,8 @@
   "Pause": "Tauko",
   "Permalink_copied_to_clipboard": "Pysyvä linkki kopioitu leikepöydälle!",
   "Phone": "Puhelin",
+  "Phone_state_permission_message": "Tämän avulla Rocket.Chat voi havaita, oletko jo puhelimessa tai VoIP-puhelussa, jotta saapuvat puhelut voidaan käsitellä oikein.",
+  "Phone_state_permission_title": "Salli puhelimen tilan käyttö",
   "Pin": "Kiinnitä",
   "Pinned": "Kiinnitetty",
   "Place_chat_on_hold": "Aseta keskustelu pitoon",

diff --git a/app/i18n/locales/fr.json b/app/i18n/locales/fr.json
@@ -520,6 +520,8 @@
   "Pause": "Pause",
   "Permalink_copied_to_clipboard": "Lien permanent copié dans le presse-papiers !",
   "Phone": "Téléphone",
+  "Phone_state_permission_message": "Cela permet à Rocket.Chat de détecter si vous êtes déjà en appel téléphonique ou VoIP afin de traiter correctement les appels entrants.",
+  "Phone_state_permission_title": "Autoriser l’accès à l’état du téléphone",
   "Pin": "Épingler",
   "Pinned": "Épinglé",
   "Place_chat_on_hold": "Mettre le chat en attente",

diff --git a/app/i18n/locales/hi-IN.json b/app/i18n/locales/hi-IN.json
@@ -595,6 +595,8 @@
   "Permalink_copied_to_clipboard": "पर्मालिंक क्लिपबोर्ड पर कॉपी किया गया!",
   "Person_or_channel": "व्यक्ति या चैनल",
   "Phone": "फ़ोन",
+  "Phone_state_permission_message": "इससे Rocket.Chat यह पता लगा सकता है कि क्या आप पहले से किसी फ़ोन या VoIP कॉल पर हैं, ताकि आने वाली कॉल को सही ढंग से संभाला जा सके।",
+  "Phone_state_permission_title": "फ़ोन स्थिति तक पहुँच की अनुमति दें",
   "Pin": "पिन",
   "Pinned": "पिन किया गया",
   "Pinned_a_message": "एक संदेश को पिन किया गया है:",

diff --git a/app/i18n/locales/hu.json b/app/i18n/locales/hu.json
@@ -596,6 +596,8 @@
   "Permalink_copied_to_clipboard": "Permalink a vágólapra másolva!",
   "Person_or_channel": "Személy vagy csatorna",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Így a Rocket.Chat észlelheti, ha már telefonos vagy VoIP-hívásban van, hogy a bejövő hívások helyesen kezelhetők legyenek.",
+  "Phone_state_permission_title": "Telefonállapot elérésének engedélyezése",
   "Pin": "Pin",
   "Pinned": "Kitűzve",
   "Pinned_a_message": "Kitűzött üzenet:",

diff --git a/app/i18n/locales/it.json b/app/i18n/locales/it.json
@@ -459,6 +459,8 @@
   "Pause": "Pausa",
   "Permalink_copied_to_clipboard": "Permalink copiato negli appunti!",
   "Phone": "Telefono",
+  "Phone_state_permission_message": "Consente a Rocket.Chat di rilevare se sei già in una chiamata telefonica o VoIP, così da gestire correttamente le chiamate in arrivo.",
+  "Phone_state_permission_title": "Consenti l’accesso allo stato del telefono",
   "Pin": "Appunta",
   "Pinned": "Appuntati",
   "Play": "Giocare",

diff --git a/app/i18n/locales/ja.json b/app/i18n/locales/ja.json
@@ -383,6 +383,8 @@
   "Passwords_do_not_match": "パスワードが一致しません。",
   "Pause": "一時停止",
   "Permalink_copied_to_clipboard": "リンクをクリップボードにコピーしました！",
+  "Phone_state_permission_message": "電話またはVoIP通話中かどうかをRocket.Chatが検知し、着信を適切に処理できるようにします。",
+  "Phone_state_permission_title": "電話状態へのアクセスを許可",
   "Pin": "ピン留め",
   "Pinned": "ピン留めされました",
   "Play": "遊ぶ",

diff --git a/app/i18n/locales/nl.json b/app/i18n/locales/nl.json
@@ -520,6 +520,8 @@
   "Pause": "Pauze",
   "Permalink_copied_to_clipboard": "Permalink gekopiëerd naar klembord!",
   "Phone": "Telefoon",
+  "Phone_state_permission_message": "Hiermee kan Rocket.Chat detecteren of u al in een telefoon- of VoIP-gesprek bent, zodat inkomende oproepen correct worden afgehandeld.",
+  "Phone_state_permission_title": "Toegang tot telefoonstatus toestaan",
   "Pin": "Vastzetten",
   "Pinned": "Vastgezet",
   "Place_chat_on_hold": "Chat in de wacht zetten",

diff --git a/app/i18n/locales/nn.json b/app/i18n/locales/nn.json
@@ -290,6 +290,8 @@
   "Passwords_do_not_match": "Passorda stemmer ikkje overeins",
   "Pause": "Pause",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Dette lèt Rocket.Chat oppdage om du allereie er i ein telefon- eller VoIP-samtale, slik at innkomande samtalar kan handsamast korrekt.",
+  "Phone_state_permission_title": "Tillat tilgang til telefonstatus",
   "Pin": "Pin",
   "Pinned_a_message": "Pinned en melding:",
   "Please_add_a_comment": "Vennligst legg til en kommentar",

diff --git a/app/i18n/locales/no.json b/app/i18n/locales/no.json
@@ -623,6 +623,8 @@
   "Permalink_copied_to_clipboard": "Permalenke kopiert til utklippstavlen!",
   "Person_or_channel": "Person eller kanal",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Dette lar Rocket.Chat oppdage om du allerede er i en telefon- eller VoIP-samtale, slik at innkommende anrop kan håndteres riktig.",
+  "Phone_state_permission_title": "Tillat tilgang til telefonstatus",
   "Pin": "Pin",
   "Pinned": "Festet",
   "Pinned_a_message": "Festet en melding:",

diff --git a/app/i18n/locales/pt-BR.json b/app/i18n/locales/pt-BR.json
@@ -643,6 +643,8 @@
   "Permalink_copied_to_clipboard": "Link-permanente copiado para a área de transferência!",
   "Person_or_channel": "Pessoa ou canal",
   "Phone": "Telefone",
+  "Phone_state_permission_message": "Isso permite que o Rocket.Chat detecte quando você já está em uma chamada telefônica ou VoIP para que as chamadas recebidas sejam tratadas corretamente.",
+  "Phone_state_permission_title": "Permitir acesso ao estado do telefone",
   "Pin": "Fixar",
   "Pinned": "Mensagens Fixadas",
   "Pinned_a_message": "Fixou uma mensagem:",

diff --git a/app/i18n/locales/pt-PT.json b/app/i18n/locales/pt-PT.json
@@ -396,6 +396,8 @@
   "Pause": "Pausa",
   "Permalink_copied_to_clipboard": "Link permanente copiado para a área de transferência!",
   "Phone": "Telefone",
+  "Phone_state_permission_message": "Isto permite ao Rocket.Chat detetar se já está numa chamada telefónica ou VoIP, para que as chamadas recebidas sejam tratadas corretamente.",
+  "Phone_state_permission_title": "Permitir acesso ao estado do telefone",
   "Pin": "Afixar",
   "Pinned": "Afixada",
   "Pinned_a_message": "Fixou uma mensagem:",

diff --git a/app/i18n/locales/ru.json b/app/i18n/locales/ru.json
@@ -550,6 +550,8 @@
   "Pause": "Пауза",
   "Permalink_copied_to_clipboard": "Постоянная ссылка скопирована в буфер обмена!",
   "Phone": "Телефон",
+  "Phone_state_permission_message": "Это позволяет Rocket.Chat определять, идёт ли у вас уже телефонный или VoIP-звонок, чтобы правильно обрабатывать входящие вызовы.",
+  "Phone_state_permission_title": "Разрешить доступ к состоянию телефона",
   "Pin": "Прикрепить сообщение",
   "Pinned": "Прикреплено",
   "Place_chat_on_hold": "Поставить чат на удержание",

diff --git a/app/i18n/locales/sl-SI.json b/app/i18n/locales/sl-SI.json
@@ -532,6 +532,8 @@
   "Pause": "Premor",
   "Permalink_copied_to_clipboard": "Permalink, kopirano v odložišče!",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "To omogoča Rocket.Chatu, da zazna, ali ste že v telefonskem ali VoIP klicu, da se dohodni klici pravilno obdelajo.",
+  "Phone_state_permission_title": "Dovoli dostop do stanja telefona",
   "Pin": "Zatič",
   "Pinned": "Pripet",
   "Place_chat_on_hold": "Postavite klepet na \"pridržan\"",

diff --git a/app/i18n/locales/sv.json b/app/i18n/locales/sv.json
@@ -559,6 +559,8 @@
   "Pause": "Paus",
   "Permalink_copied_to_clipboard": "Permalänken har kopierats till urklipp.",
   "Phone": "Telefonnummer",
+  "Phone_state_permission_message": "Detta låter Rocket.Chat upptäcka om du redan är i ett telefon- eller VoIP-samtal så att inkommande samtal kan hanteras korrekt.",
+  "Phone_state_permission_title": "Tillåt åtkomst till telefonstatus",
   "Pin": "Fäst",
   "Pinned": "Fästa",
   "Place_chat_on_hold": "Parkera chatten",

diff --git a/app/i18n/locales/ta-IN.json b/app/i18n/locales/ta-IN.json
@@ -595,6 +595,8 @@
   "Permalink_copied_to_clipboard": "நிரல்களுக்கு பதில் நகல் எடுக்கப்பட்டுவிட்டது!",
   "Person_or_channel": "நபர் அல்லது சேனல்",
   "Phone": "கைபேசி",
+  "Phone_state_permission_message": "நீங்கள் ஏற்கனவே தொலைபேசி அல்லது VoIP அழைப்பில் இருக்கிறீர்களா என்பதை Rocket.Chat கண்டறிய இது உதவுகிறது; வரும் அழைப்புகள் சரியாக கையாளப்படும்.",
+  "Phone_state_permission_title": "தொலைபேசி நிலை அணுகலை அனுமதி",
   "Pin": "சிறுமைக்கான பிணி",
   "Pinned": "பிண்டு",
   "Pinned_a_message": "ஒரு செய்தியை கொண்டுவந்தன்:",

diff --git a/app/i18n/locales/te-IN.json b/app/i18n/locales/te-IN.json
@@ -594,6 +594,8 @@
   "Permalink_copied_to_clipboard": "పర్మాలింక్ కోపీ అయ్యింది!",
   "Person_or_channel": "వ్యక్తి లేదా చానల్",
   "Phone": "ఫోన్",
+  "Phone_state_permission_message": "మీరు ఇప్పటికే ఫోన్ లేదా VoIP కాల్‌లో ఉన్నారో లేదో Rocket.Chat గుర్తించడానికి ఇది సహాయపడుతుంది, తద్వారా ఇన్‌కమింగ్ కాల్‌లు సరిగ్గా నిర్వహించబడతాయి.",
+  "Phone_state_permission_title": "ఫోన్ స్థితి యాక్సెస్‌ను అనుమతించండి",
   "Pin": "పిన్",
   "Pinned": "పిన్ చేసినది",
   "Pinned_a_message": "ఒక సందేశాన్ని పించింది:",

diff --git a/app/i18n/locales/tr.json b/app/i18n/locales/tr.json
@@ -442,6 +442,8 @@
   "Pause": "Duraklat",
   "Permalink_copied_to_clipboard": "Kalıcı bağlantı panoya kopyalandı!",
   "Phone": "Telefon",
+  "Phone_state_permission_message": "Bununla Rocket.Chat, zaten bir telefon veya VoIP görüşmesinde olup olmadığınızı algılayabilir; böylece gelen aramalar doğru şekilde yönetilir.",
+  "Phone_state_permission_title": "Telefon durumuna erişime izin ver",
   "Pin": "Sabitle",
   "Pinned": "Sabitlendi",
   "Play": "Oyna",

diff --git a/app/i18n/locales/zh-CN.json b/app/i18n/locales/zh-CN.json
@@ -425,6 +425,8 @@
   "Pause": "暂停",
   "Permalink_copied_to_clipboard": "永久链接已复制到剪贴板！",
   "Phone": "电话",
+  "Phone_state_permission_message": "这样 Rocket.Chat 可以检测您是否已在通话或 VoIP 通话中，从而正确处理来电。",
+  "Phone_state_permission_title": "允许访问电话状态",
   "Pin": "钉选",
   "Pinned": "被钉选",
   "Play": "玩",

diff --git a/app/i18n/locales/zh-TW.json b/app/i18n/locales/zh-TW.json
@@ -442,6 +442,8 @@
   "Pause": "暫停",
   "Permalink_copied_to_clipboard": "永久連結已複製到剪貼簿！",
   "Phone": "電話",
+  "Phone_state_permission_message": "讓 Rocket.Chat 偵測您是否已在一般電話或 VoIP 通話中，以正確處理來電。",
+  "Phone_state_permission_title": "允許存取電話狀態",
   "Pin": "釘選",
   "Pinned": "被釘選",
   "Play": "遊戲",