diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index a3dc34374c62f..ea4ea14a43c5a 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -704,6 +704,17 @@ public class TelephonyManager {
     public static final String EXTRA_LAUNCH_VOICEMAIL_SETTINGS_INTENT =
             "android.telephony.extra.LAUNCH_VOICEMAIL_SETTINGS_INTENT";
 
+    /**
+     * {@link android.telecom.Connection} event used to indicate that an IMS call failed to be
+     * handed over from LTE to WIFI.
+     * <p>
+     * Sent via {@link android.telecom.Connection#sendConnectionEvent(String, Bundle)}.
+     * The {@link Bundle} parameter is expected to be null when this connection event is used.
+     * @hide
+     */
+    public static final String EVENT_HANDOVER_TO_WIFI_FAILED =
+            "android.telephony.event.EVENT_HANDOVER_TO_WIFI_FAILED";
+
     /**
      * Response codes for sim activation. Activation completed successfully.
      * @hide