diff --git a/openbsc/src/nat/bsc_mgcp_utils.c b/openbsc/src/nat/bsc_mgcp_utils.c
index e68b647..d8ec298 100644
--- a/openbsc/src/nat/bsc_mgcp_utils.c
+++ b/openbsc/src/nat/bsc_mgcp_utils.c
@@ -176,7 +176,7 @@
 	int len;
 
 	len = snprintf(buf, sizeof(buf),
-		       "DLCX 23 %x@mgw MGCP 1.0\r\n"
+		       "DLCX 26 %x@mgw MGCP 1.0\r\n"
 		       "Z: noanswer\r\n", endpoint);
 	if (len < 0) {
 		LOGP(DMGCP, LOGL_ERROR, "snprintf for DLCX failed.\n");