diff --git a/conf/rtc_config.json b/conf/rtc_config.json
index 71d1b93..1c682e5 100644
--- a/conf/rtc_config.json
+++ b/conf/rtc_config.json
@@ -2,10 +2,7 @@
   "sdpSemantics": "unified-plan",
   "iceServers": [
     {
-      "urls": "stun:stun.l.google.com:19302"
-    },
-    {
-      "urls": "__DOMAIN__:__PORT_TURNSERVER__",
+      "urls": "turn:__DOMAIN__:__PORT_TURNSERVER__",
       "username": "__APP__",
       "credential": "__TURNSERVER_PWD__"
     }