diff --git a/tests/test_realtime_schema.py b/tests/test_realtime_schema.py
new file mode 100644
index 0000000..7a54b1e
--- /dev/null
+++ b/tests/test_realtime_schema.py
@@ -0,0 +1,19 @@
+from app.realtime.schemas import IncomingRealtimeEvent
+
+
+def test_incoming_realtime_event_accepts_recording_activity_events():
+    for event_name in (
+        "recording_voice_start",
+        "recording_voice_stop",
+        "recording_video_start",
+        "recording_video_stop",
+    ):
+        event = IncomingRealtimeEvent.model_validate(
+            {
+                "event": event_name,
+                "payload": {"chat_id": 1},
+            }
+        )
+        assert event.event == event_name
+        assert event.payload["chat_id"] == 1
+