diff --git a/app/src/main/java/org/linphone/core/CorePreferences.kt b/app/src/main/java/org/linphone/core/CorePreferences.kt
index 4b2bdb07b..b959ba8f0 100644
--- a/app/src/main/java/org/linphone/core/CorePreferences.kt
+++ b/app/src/main/java/org/linphone/core/CorePreferences.kt
@@ -119,6 +119,13 @@ class CorePreferences
             config.setBool("app", "route_audio_to_speaker_when_video_enabled", value)
         }
 
+    @get:WorkerThread @set:WorkerThread
+    var callRecordingUseSmffFormat: Boolean
+        get() = config.getBool("app", "use_smff_for_call_recording", false)
+        set(value) {
+            config.setBool("app", "use_smff_for_call_recording", value)
+        }
+
     @get:WorkerThread @set:WorkerThread
     var automaticallyStartCallRecording: Boolean
         get() = config.getBool("app", "auto_start_call_record", false)
diff --git a/app/src/main/java/org/linphone/ui/main/recordings/viewmodel/RecordingMediaPlayerViewModel.kt b/app/src/main/java/org/linphone/ui/main/recordings/viewmodel/RecordingMediaPlayerViewModel.kt
index 4d4bfa87b..b025be769 100644
--- a/app/src/main/java/org/linphone/ui/main/recordings/viewmodel/RecordingMediaPlayerViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/recordings/viewmodel/RecordingMediaPlayerViewModel.kt
@@ -38,6 +38,7 @@ import org.linphone.core.tools.Log
 import org.linphone.ui.GenericViewModel
 import org.linphone.ui.main.recordings.model.RecordingModel
 import org.linphone.utils.AudioUtils
+import org.linphone.utils.LinphoneUtils
 
 class RecordingMediaPlayerViewModel
     @UiThread
@@ -56,6 +57,8 @@ class RecordingMediaPlayerViewModel
 
     val position = MutableLiveData<Int>()
 
+    val isUsingSmffFileFormat = MutableLiveData<Boolean>()
+
     private var audioFocusRequest: AudioFocusRequestCompat? = null
 
     private val playerListener = PlayerListener {
@@ -88,6 +91,7 @@ class RecordingMediaPlayerViewModel
         recordingModel = model
 
         coreContext.postOnCoreThread { core ->
+            isUsingSmffFileFormat.postValue(model.filePath.endsWith(LinphoneUtils.RECORDING_SMFF_FILE_EXTENSION))
             initPlayer()
         }
     }
diff --git a/app/src/main/java/org/linphone/ui/main/settings/viewmodel/SettingsViewModel.kt b/app/src/main/java/org/linphone/ui/main/settings/viewmodel/SettingsViewModel.kt
index 1da989a84..aab34bdbb 100644
--- a/app/src/main/java/org/linphone/ui/main/settings/viewmodel/SettingsViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/settings/viewmodel/SettingsViewModel.kt
@@ -197,6 +197,7 @@ class SettingsViewModel
     // Advanced settings
     val startAtBoot = MutableLiveData<Boolean>()
     val keepAliveThirdPartyAccountsService = MutableLiveData<Boolean>()
+    val useSmffForCallRecording = MutableLiveData<Boolean>()
 
     val deviceName = MutableLiveData<String>()
     val fileSharingServerUrl = MutableLiveData<String>()
@@ -300,6 +301,7 @@ class SettingsViewModel
             videoFecEnabled.postValue(core.isFecEnabled)
             vibrateDuringIncomingCall.postValue(core.isVibrationOnIncomingCallEnabled)
             autoRecordCalls.postValue(corePreferences.automaticallyStartCallRecording)
+            useSmffForCallRecording.postValue(corePreferences.callRecordingUseSmffFormat)
 
             useWifiOnly.postValue(core.isWifiOnlyEnabled)
             allowIpv6.postValue(core.isIpv6Enabled)
@@ -428,6 +430,15 @@ class SettingsViewModel
         }
     }
 
+    @UiThread
+    fun toggleUseSmffForCallRecording() {
+        val newValue = useSmffForCallRecording.value == false
+        coreContext.postOnCoreThread { core ->
+            corePreferences.callRecordingUseSmffFormat = newValue
+            useSmffForCallRecording.postValue(newValue)
+        }
+    }
+
     @UiThread
     fun toggleVibrateOnIncomingCalls() {
         val newValue = vibrateDuringIncomingCall.value == false
diff --git a/app/src/main/java/org/linphone/utils/LinphoneUtils.kt b/app/src/main/java/org/linphone/utils/LinphoneUtils.kt
index 5ee6aae33..1b6249dd8 100644
--- a/app/src/main/java/org/linphone/utils/LinphoneUtils.kt
+++ b/app/src/main/java/org/linphone/utils/LinphoneUtils.kt
@@ -61,7 +61,8 @@ class LinphoneUtils {
 
         const val RECORDING_FILE_NAME_HEADER = "call_recording_"
         const val RECORDING_FILE_NAME_URI_TIMESTAMP_SEPARATOR = "_on_"
-        const val RECORDING_FILE_EXTENSION = ".smff"
+        const val RECORDING_MKV_FILE_EXTENSION = ".mkv"
+        const val RECORDING_SMFF_FILE_EXTENSION = ".smff"
 
         @WorkerThread
         fun getDefaultAccount(): Account? {
@@ -451,7 +452,13 @@ class LinphoneUtils {
 
         @WorkerThread
         fun getRecordingFilePathForAddress(address: Address): String {
-            val fileName = "${RECORDING_FILE_NAME_HEADER}${address.asStringUriOnly()}${RECORDING_FILE_NAME_URI_TIMESTAMP_SEPARATOR}${System.currentTimeMillis()}$RECORDING_FILE_EXTENSION"
+            val extension = if (corePreferences.callRecordingUseSmffFormat) {
+                RECORDING_SMFF_FILE_EXTENSION
+            } else {
+                RECORDING_MKV_FILE_EXTENSION
+            }
+            Log.i("$TAG Using [$extension] file format for call recording")
+            val fileName = "${RECORDING_FILE_NAME_HEADER}${address.asStringUriOnly()}${RECORDING_FILE_NAME_URI_TIMESTAMP_SEPARATOR}${System.currentTimeMillis()}$extension"
             return FileUtils.getFileStoragePath(fileName, isRecording = true).absolutePath
         }
 
diff --git a/app/src/main/res/layout/recording_player_fragment.xml b/app/src/main/res/layout/recording_player_fragment.xml
index 49717b335..3db49e36a 100644
--- a/app/src/main/res/layout/recording_player_fragment.xml
+++ b/app/src/main/res/layout/recording_player_fragment.xml
@@ -162,7 +162,7 @@
             android:padding="15dp"
             android:src="@drawable/share_network"
             android:contentDescription="@string/content_description_share_file"
-            android:visibility="gone"
+            android:visibility="@{viewModel.isUsingSmffFileFormat ? View.GONE : View.VISIBLE}"
             app:tint="@color/gray_main2_500"
             app:layout_constraintEnd_toStartOf="@id/save"
             app:layout_constraintTop_toTopOf="parent" />
@@ -176,7 +176,7 @@
             android:padding="15dp"
             android:src="@drawable/download_simple"
             android:contentDescription="@string/content_description_save_file"
-            android:visibility="gone"
+            android:visibility="@{viewModel.isUsingSmffFileFormat ? View.GONE : View.VISIBLE}"
             app:tint="@color/gray_main2_500"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/settings_advanced_fragment.xml b/app/src/main/res/layout/settings_advanced_fragment.xml
index 2e73f3555..c250f9221 100644
--- a/app/src/main/res/layout/settings_advanced_fragment.xml
+++ b/app/src/main/res/layout/settings_advanced_fragment.xml
@@ -145,6 +145,50 @@
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/keep_alive_service_switch" />
 
+                <androidx.appcompat.widget.AppCompatTextView
+                    style="@style/settings_title_style"
+                    android:onClick="@{() -> viewModel.toggleUseSmffForCallRecording()}"
+                    android:id="@+id/use_smff_call_recording_title"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="10dp"
+                    android:text="@string/settings_advanced_use_smff_format_for_call_recordings_title"
+                    android:maxLines="2"
+                    android:ellipsize="end"
+                    app:layout_constraintTop_toTopOf="@id/use_smff_call_recording_switch"
+                    app:layout_constraintBottom_toTopOf="@id/use_smff_call_recording_subtitle"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toStartOf="@id/use_smff_call_recording_switch"/>
+
+                <androidx.appcompat.widget.AppCompatTextView
+                    style="@style/settings_subtitle_style"
+                    android:onClick="@{() -> viewModel.toggleUseSmffForCallRecording()}"
+                    android:id="@+id/use_smff_call_recording_subtitle"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="10dp"
+                    android:text="@string/settings_advanced_use_smff_format_for_call_recordings_subtitle"
+                    android:maxLines="2"
+                    android:ellipsize="end"
+                    app:layout_constraintTop_toBottomOf="@id/use_smff_call_recording_title"
+                    app:layout_constraintBottom_toBottomOf="@id/use_smff_call_recording_switch"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toStartOf="@id/use_smff_call_recording_switch"/>
+
+                <com.google.android.material.materialswitch.MaterialSwitch
+                    style="@style/material_switch_style"
+                    android:id="@+id/use_smff_call_recording_switch"
+                    android:onClick="@{() -> viewModel.toggleUseSmffForCallRecording()}"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:layout_marginEnd="16dp"
+                    android:checked="@{viewModel.useSmffForCallRecording}"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/enable_fec_switch" />
+
                 <androidx.appcompat.widget.AppCompatTextView
                     style="@style/settings_title_style"
                     android:id="@+id/media_encryption_label"
@@ -156,7 +200,7 @@
                     android:paddingBottom="8dp"
                     android:text="@string/settings_advanced_media_encryption_title"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/enable_fec_switch"/>
+                    app:layout_constraintTop_toBottomOf="@id/use_smff_call_recording_switch"/>
 
                 <androidx.appcompat.widget.AppCompatSpinner
                     style="@style/default_text_style"
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 1dc296698..b0ee0e5e7 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -267,6 +267,8 @@
     <string name="settings_advanced_device_id">Nom de l\'appareil</string>
     <string name="settings_advanced_device_id_hint">Caractères alpha-numériques uniquement</string>
     <string name="settings_advanced_upload_server_url">URL du serveur de partage de fichier</string>
+    <string name="settings_advanced_use_smff_format_for_call_recordings_title">Enregistrer les appels vidéos utilisant H265/AV1</string>
+    <string name="settings_advanced_use_smff_format_for_call_recordings_subtitle">Utilisera un format de fichier propriétaire</string>
     <string name="settings_advanced_media_encryption_title">Chiffrement du média</string>
     <string name="settings_advanced_media_encryption_mandatory_title">Rendre le chiffrement du média obligatoire</string>
     <string name="settings_advanced_create_e2e_encrypted_conferences_title">Créer en mode chiffré de bout en bout les réunions et les appels de groupe</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6abd1cfae..f39509dd2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -307,6 +307,8 @@
     <string name="settings_advanced_device_id">Device ID</string>
     <string name="settings_advanced_device_id_hint">Alpha-numerical characters only</string>
     <string name="settings_advanced_upload_server_url">File sharing server URL</string>
+    <string name="settings_advanced_use_smff_format_for_call_recordings_title">Record video calls using H265/AV1</string>
+    <string name="settings_advanced_use_smff_format_for_call_recordings_subtitle">Will use a proprietary file format</string>
     <string name="settings_advanced_media_encryption_title">Media encryption</string>
     <string name="settings_advanced_media_encryption_mandatory_title">Media encryption mandatory</string>
     <string name="settings_advanced_create_e2e_encrypted_conferences_title">Create end-to-end encrypted meetings &amp; group calls</string>