diff --git a/web/webrtc.html b/web/webrtc.html
index 7f4ab937c..9dceaf06c 100644
--- a/web/webrtc.html
+++ b/web/webrtc.html
@@ -221,6 +221,11 @@
                                 username: iceUsername,
                                 password: icePassword
                             }
+                        },
+                        siggen_1: {
+                            type: 'signal',
+                            values: 5,
+                            signal: 'random'
                         }
                     },
                     paths: [{ in: ['siggen_1'],