1 files changed, 6 insertions, 0 deletions
diff --git a/java/com/android/incallui/incall/impl/ButtonChooserFactory.java b/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
index 99364e22c..0f4a95d38 100644
--- a/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
+++ b/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
@@ -74,6 +74,12 @@ class ButtonChooserFactory {
     mapping.put(
         InCallButtonIds.BUTTON_UPGRADE_TO_VIDEO, MappingInfo.builder(4).setSlotOrder(10).build());
     mapping.put(InCallButtonIds.BUTTON_SWAP, MappingInfo.builder(5).setSlotOrder(0).build());
+    mapping.put(
+        InCallButtonIds.BUTTON_SWITCH_TO_SECONDARY,
+        MappingInfo.builder(5)
+            .setSlotOrder(Integer.MAX_VALUE)
+            .setMutuallyExclusiveButton(InCallButtonIds.BUTTON_SWAP)
+            .build());
 
     return new ButtonChooser(new MappedButtonConfig(mapping));
   }