diff --git a/tests/mgcp_client/mgcp_client_test.ok b/tests/mgcp_client/mgcp_client_test.ok
index 65b5298..8fbe3ae 100644
--- a/tests/mgcp_client/mgcp_client_test.ok
+++ b/tests/mgcp_client/mgcp_client_test.ok
@@ -84,6 +84,22 @@
 M: sendrecv
 X-Osmo-IGN: C
 
+Generate X-Osmo-Osmux message:
+CRCX 13 23@mgw MGCP 1.0
+C: 2f
+I: 11
+L: p:20, a:GSM, nt:IN
+M: sendrecv
+X-Osmux: *
+
+Generate X-Osmo-Osmux message (fixed CID 2):
+CRCX 15 23@mgw MGCP 1.0
+C: 2f
+I: 11
+L: p:20, a:GSM, nt:IN
+M: sendrecv
+X-Osmux: 2
+
 Overfolow test: