diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 4d2cb04783d9d..92d458f13cd12 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -1346,6 +1346,7 @@ public class TelecomManager {
     /**
      * Returns whether TTY is supported on this device.
      */
+    @SystemApi
     @RequiresPermission(anyOf = {
             android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
             android.Manifest.permission.READ_PHONE_STATE