diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index 5a98260..49d21be 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -73,6 +73,8 @@
 	PROTO_RTCP,
 };
 
+#define DUMMY_LOAD 0x23
+
 
 static int udp_send(int fd, struct in_addr *addr, int port, char *buf, int len)
 {
@@ -84,6 +86,14 @@
 	return sendto(fd, buf, len, 0, (struct sockaddr *)&out, sizeof(out));
 }
 
+int mgcp_send_dummy(struct mgcp_endpoint *endp)
+{
+	static char buf[] = { DUMMY_LOAD };
+
+	return udp_send(endp->local_rtp.fd, &endp->remote,
+			endp->net_rtp, buf, 1);
+}
+
 static void patch_payload(int payload, char *data, int len)
 {
 	struct rtp_hdr *rtp_hdr;
@@ -161,6 +171,14 @@
 			LOGP(DMGCP, LOGL_NOTICE, "Found BTS for endpoint: 0x%x on port: %d/%d of %s\n",
 				ENDPOINT_NUMBER(endp), ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp),
 				inet_ntoa(addr.sin_addr));
+
+			/* throw away dummy message */
+			if (rc == 1 && buf[0] == DUMMY_LOAD) {
+				LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy on 0x%x\n",
+				     ENDPOINT_NUMBER(endp));
+				return 0;
+			}
+
 		}
 	}