diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt
index f7e7a51240..027c1bb7b1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt
@@ -382,6 +382,14 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
         }
       )
 
+      switchPref(
+        title = DSLSettingsText.from(R.string.preferences__internal_calling_disable_telecom),
+        isChecked = state.callingDisableTelecom,
+        onClick = {
+          viewModel.setInternalCallingDisableTelecom(!state.callingDisableTelecom)
+        }
+      )
+
       if (FeatureFlags.donorBadges() && SignalStore.donationsValues().getSubscriber() != null) {
         dividerPref()
 
diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt
index 06862eb2df..b864d08b67 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt
@@ -16,6 +16,7 @@ data class InternalSettingsState(
   val callingServer: String,
   val callingAudioProcessingMethod: CallManager.AudioProcessingMethod,
   val callingBandwidthMode: CallManager.BandwidthMode,
+  val callingDisableTelecom: Boolean,
   val useBuiltInEmojiSet: Boolean,
   val emojiVersion: EmojiFiles.Version?,
   val removeSenderKeyMinimium: Boolean,
diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt
index c59744d01c..d637827738 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt
@@ -101,6 +101,11 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
     refresh()
   }
 
+  fun setInternalCallingDisableTelecom(enabled: Boolean) {
+    preferenceDataStore.putBoolean(InternalValues.CALLING_DISABLE_TELECOM, enabled)
+    refresh()
+  }
+
   fun toggleStories() {
     val newState = !SignalStore.storyValues().isFeatureDisabled
     SignalStore.storyValues().isFeatureDisabled = newState
@@ -128,6 +133,7 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
     callingServer = SignalStore.internalValues().groupCallingServer(),
     callingAudioProcessingMethod = SignalStore.internalValues().callingAudioProcessingMethod(),
     callingBandwidthMode = SignalStore.internalValues().callingBandwidthMode(),
+    callingDisableTelecom = SignalStore.internalValues().callingDisableTelecom(),
     useBuiltInEmojiSet = SignalStore.internalValues().forceBuiltInEmoji(),
     emojiVersion = null,
     removeSenderKeyMinimium = SignalStore.internalValues().removeSenderKeyMinimum(),
diff --git a/app/src/main/java/org/thoughtcrime/securesms/keyvalue/InternalValues.java b/app/src/main/java/org/thoughtcrime/securesms/keyvalue/InternalValues.java
index 178b8cf9af..42f85943a6 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/keyvalue/InternalValues.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/keyvalue/InternalValues.java
@@ -26,6 +26,7 @@ public final class InternalValues extends SignalStoreValues {
   public static final String CALLING_SERVER                       = "internal.calling_server";
   public static final String CALLING_AUDIO_PROCESSING_METHOD      = "internal.calling_audio_processing_method";
   public static final String CALLING_BANDWIDTH_MODE               = "internal.calling_bandwidth_mode";
+  public static final String CALLING_DISABLE_TELECOM              = "internal.calling_disable_telecom";
   public static final String SHAKE_TO_REPORT                      = "internal.shake_to_report";
   public static final String DISABLE_STORAGE_SERVICE              = "internal.disable_storage_service";
 
@@ -178,4 +179,15 @@ public final class InternalValues extends SignalStoreValues {
       return CallManager.BandwidthMode.NORMAL;
     }
   }
+
+  /**
+   * Whether or not Telecom integration is manually disabled.
+   */
+  public synchronized boolean callingDisableTelecom() {
+    if (FeatureFlags.internalUser()) {
+      return getBoolean(CALLING_DISABLE_TELECOM, false);
+    } else {
+      return true;
+    }
+  }
 }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/AndroidTelecomUtil.kt b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/AndroidTelecomUtil.kt
index 236558cf02..bc2a9a12f4 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/AndroidTelecomUtil.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/AndroidTelecomUtil.kt
@@ -19,8 +19,8 @@ import androidx.core.content.ContextCompat
 import androidx.core.os.bundleOf
 import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
+import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.recipients.RecipientId
-import org.thoughtcrime.securesms.util.FeatureFlags
 import org.thoughtcrime.securesms.webrtc.audio.SignalAudioManager
 
 /**
@@ -189,7 +189,7 @@ object AndroidTelecomUtil {
   }
 
   private fun isRestrictedDevice(): Boolean {
-    return !FeatureFlags.internalUser()
+    return SignalStore.internalValues().callingDisableTelecom()
   }
 }
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b3927e3494..67a657d7cd 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2702,6 +2702,7 @@
     <string name="preferences__internal_calling" translatable="false">Calling options</string>
     <string name="preferences__internal_calling_audio_processing_method" translatable="false">Audio processing method</string>
     <string name="preferences__internal_calling_bandwidth_mode" translatable="false">Bandwidth mode</string>
+    <string name="preferences__internal_calling_disable_telecom" translatable="false">Disable Telecom integration</string>
     <string name="preferences__internal_badges" translatable="false">Badges</string>
     <string name="preferences__internal_badges_enqueue_redemption" translatable="false">Enqueue redemption.</string>
     <string name="preferences__internal_release_channel" translatable="false">Release channel</string>