diff --git a/main.go b/main.go
index 536b67a..131051b 100644
--- a/main.go
+++ b/main.go
@@ -31,7 +31,15 @@ func handleSignaling(w http.ResponseWriter, r *http.Request) {
 
 	config := webrtc.Configuration{
 		ICEServers: []webrtc.ICEServer{
-			{URLs: []string{"stun:stun.l.google.com:19302"}},
+			{
+				URLs: []string{"stun:88.210.53.29:3478"},
+			},
+			{
+				URLs:           []string{"turn:88.210.53.29:3478"},
+				Username:       "shaihe",
+				Credential:     "zaq1xsw2",
+				CredentialType: webrtc.ICECredentialTypePassword,
+			},
 		},
 	}