diff --git a/ipa/MSC_ConnectionHandler.ttcn b/ipa/MSC_ConnectionHandler.ttcn
index 9b67999..3af62a2 100644
--- a/ipa/MSC_ConnectionHandler.ttcn
+++ b/ipa/MSC_ConnectionHandler.ttcn
@@ -110,7 +110,7 @@
 		/* receive MDCX ACK: wait + transmit CLEAR COMMAND */
 		[g_state == MSC_STATE_WAIT_MDCX_ACK] BSSAP.receive(tr_CRCX_ACK) -> value mgcp_rsp {
 			g_state := MSC_STATE_WAIT_CLEAR_COMPL
-			BSSAP.send(ts_BSSMAP_ClearCommand(0));
+			BSSAP.send(ts_BSSMAP_ClearCommand(9)); /* Cause: call control */
 			}
 
 		/* CLEAR COMPLETE from BSS (response to CLEAR COMMAND) */