update

app.py

@@ -67,4 +67,11 @@ demo = get_app(
 )
 
 if __name__ == "__main__":
-    demo.queue(api_open=False).launch(show_api=False)
+    demo.queue(
+        api_open=False,
+        max_size=20
+    ).launch(
+        show_api=False,
+        share=True,
+        server_name="0.0.0.0"
+    )

app_gemini_voice.py

@@ -173,11 +173,22 @@ class GeminiVoiceChat:
                 </div>
             """)
             
+            rtc_config = {
+                "iceServers": [
+                    {"urls": ["stun:stun.l.google.com:19302"]}
+                ]
+            }
+            
+            try:
+                rtc_config = get_twilio_turn_credentials()
+            except Exception as e:
+                print(f"Using fallback STUN configuration: {e}")
+            
             webrtc = WebRTC(
                 label="Conversation",
                 modality="audio",
                 mode="send-receive",
-                rtc_configuration=get_twilio_turn_credentials()
+                rtc_configuration=rtc_config
             )
             
             webrtc.stream(
@@ -193,10 +204,7 @@ class GeminiVoiceChat:
         self.demo.launch(
             server_name="0.0.0.0",
             server_port=int(os.environ.get("PORT", 7860)),
-            share=True,
-            ssl_verify=False,
-            ssl_keyfile=None,
-            ssl_certfile=None
+            share=False
         )
 
 # Create and expose the demo instance