diff --git a/drb-edge-node/app/internal/call_recorder.py b/drb-edge-node/app/internal/call_recorder.py
index 9c6cb55..b5ae03d 100644
--- a/drb-edge-node/app/internal/call_recorder.py
+++ b/drb-edge-node/app/internal/call_recorder.py
@@ -43,10 +43,18 @@ class CallRecorder:
         try:
             self._process = await asyncio.create_subprocess_exec(
                 *cmd,
-                stdout=asyncio.subprocess.DEVNULL,
-                stderr=asyncio.subprocess.DEVNULL,
+                stdout=asyncio.subprocess.PIPE,
+                stderr=asyncio.subprocess.PIPE,
             )
-            logger.info(f"Recording started: {self._current_file.name}")
+            
+            # Quick check if it died immediately (e.g. Pulse source not found)
+            await asyncio.sleep(0.5)
+            if self._process.returncode is not None:
+                _, stderr = await self._process.communicate()
+                logger.error(f"FFmpeg exited immediately ({self._process.returncode}): {stderr.decode()}")
+                return False
+            
+            logger.info(f"Recording process started: {self._current_file.name}")
             return True
         except Exception as e:
             logger.error(f"FFmpeg start failed: {e}")
diff --git a/drb-edge-node/app/main.py b/drb-edge-node/app/main.py
index 323edf9..af08d05 100644
--- a/drb-edge-node/app/main.py
+++ b/drb-edge-node/app/main.py
@@ -34,6 +34,10 @@ async def on_call_end(data: dict):
         audio_url = await call_recorder.upload_recording(file_path, data["call_id"])
         if audio_url:
             data["audio_url"] = audio_url
+        else:
+            logger.error(f"Audio upload failed for call {data['call_id']}. Verify C2_URL and Node API Key.")
+    else:
+        logger.warning(f"No recording file generated for call {data['call_id']}. Is PulseAudio working?")
     await mqtt_manager.publish_metadata("call_end", data)
     await mqtt_manager.publish_status("online")