log CC timeouts

Change-Id: I857b4b15ebf75cf253697e96d358128620923221
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index 99174de..771ddbc 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -398,6 +398,8 @@
 	int l4_location = GSM48_CAUSE_LOC_PRN_S_LU;
 	struct gsm_mncc mo_rel, l4_rel;
 
+	LOG_TRANS(trans, LOGL_INFO, "Timeout of T%x\n", trans->cc.Tcurrent);
+
 	memset(&mo_rel, 0, sizeof(struct gsm_mncc));
 	mo_rel.callref = trans->callref;
 	memset(&l4_rel, 0, sizeof(struct gsm_mncc));