diff --git a/services/jitsi/jvb-configmap.yaml b/services/jitsi/jvb-configmap.yaml
index d327a9e..b86d649 100644
--- a/services/jitsi/jvb-configmap.yaml
+++ b/services/jitsi/jvb-configmap.yaml
@@ -15,3 +15,7 @@ data:
         }
       }
     }
+  sip-communicator.properties: |
+    org.ice4j.ice.harvest.DISABLE_TCP_HARVESTER=false
+    org.jitsi.videobridge.TCP_HARVESTER_PORT=4443
+    org.jitsi.videobridge.TCP_HARVESTER_MAPPED_PORT=4443