diff --git a/openbsc/tests/mgcp/mgcp_test.c b/openbsc/tests/mgcp/mgcp_test.c
index c476971..f0b58ef 100644
--- a/openbsc/tests/mgcp/mgcp_test.c
+++ b/openbsc/tests/mgcp/mgcp_test.c
@@ -34,6 +34,21 @@
 #define SHORT	"CRCX \r\n"
 #define SHORT_RET "510 000000 FAIL\r\n"
 
+#define MDCX_WRONG_EP "MDCX 18983213 ds/e1-3/1@172.16.6.66 MGCP 1.0\r\n"
+#define MDCX_ERR_RET "510 18983213 FAIL\r\n"
+#define MDCX_UNALLOCATED "MDCX 18983214 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"
+#define MDCX_RET "400 18983214 FAIL\r\n"
+#define MDCX3 "MDCX 18983215 1@mgw MGCP 1.0\r\n"
+#define MDCX3_RET "200 18983215 OK\r\n"		\
+		 "I: 1\n"			\
+		 "\n"				\
+		 "v=0\r\n"			\
+		 "o=- 1 23 IN IP4 0.0.0.0\r\n"	\
+		 "c=IN IP4 0.0.0.0\r\n"		\
+		 "t=0 0\r\n"			\
+		 "m=audio 0 RTP/AVP 126\r\n"	\
+		 "a=rtpmap:126 AMR/8000\r\n"
+
 #define SHORT2	"CRCX 1"
 #define SHORT2_RET "510 000000 FAIL\r\n"
 #define SHORT3	"CRCX 1 1@mgw"
@@ -103,7 +118,10 @@
 static const struct mgcp_test tests[] = {
 	{ "AUEP1", AUEP1, AUEP1_RET },
 	{ "AUEP2", AUEP2, AUEP2_RET },
+	{ "MDCX1", MDCX_WRONG_EP, MDCX_ERR_RET },
+	{ "MDCX2", MDCX_UNALLOCATED, MDCX_RET },
 	{ "CRCX", CRCX, CRCX_RET },
+	{ "MDCX3", MDCX3, MDCX3_RET },
 	{ "DLCX", DLCX, DLCX_RET },
 	{ "CRCX_ZYN", CRCX_ZYN, CRCX_ZYN_RET },
 	{ "EMPTY", EMPTY, EMPTY_RET },