Configure self-hosted STUN for remote WebRTC

backend/services/webrtc_ice.py

@@ -9,8 +9,6 @@ import time
 
 import settings
 
-STUN_URL = "stun:stun.l.google.com:19302"
-
 
 def _turn_credentials() -> tuple[str, str] | None:
     """Return (username, credential) for TURN, or None when TURN is not configured."""
@@ -34,7 +32,7 @@ def _turn_credentials() -> tuple[str, str] | None:
 
 def client_ice_servers() -> list[dict]:
     """ICE servers for browser RTCPeerConnection (JSON-serializable)."""
-    servers: list[dict] = [{"urls": STUN_URL}]
+    servers: list[dict] = [{"urls": settings.STUN_URL}]
     creds = _turn_credentials()
     if not creds:
         return servers
@@ -48,7 +46,7 @@ def aiortc_ice_servers() -> list:
     """ICE servers for backend SmallWebRTCConnection / aiortc."""
     from aiortc import RTCIceServer
 
-    servers = [RTCIceServer(urls=STUN_URL)]
+    servers = [RTCIceServer(urls=settings.STUN_URL)]
     creds = _turn_credentials()
     if not creds:
         return servers