diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 6ec08bb..503f98b 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -1137,7 +1137,7 @@
 
 	f_perform_lu();
 
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)));
+	f_establish_fully();
 	f_expect_clear();
 }
 testcase TC_establish_and_nothing() runs on MTC_CT {
@@ -1156,7 +1156,7 @@
 
 	f_perform_lu();
 
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)));
+	f_establish_fully();
 	f_create_mncc_expect(hex2str(cpars.called_party));
 	f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
 
@@ -1181,7 +1181,7 @@
 
 	f_perform_lu();
 
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)));
+	f_establish_fully();
 	f_create_mncc_expect(hex2str(cpars.called_party));
 	f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
 
@@ -1220,7 +1220,7 @@
 
 	f_perform_lu();
 
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)));
+	f_establish_fully();
 	f_create_mncc_expect(hex2str(cpars.called_party));
 	f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
 
@@ -1312,7 +1312,7 @@
 	/* MSC->BSC: expect PAGING from MSC */
 	BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi));
 	/* MS -> MSC: PAGING RESPONSE */
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)), EST_TYPE_PAG_RESP);
+	f_establish_fully(EST_TYPE_PAG_RESP);
 
 	f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
 
@@ -1737,7 +1737,7 @@
 
 	f_perform_lu();
 
-	f_establish_fully(valueof(ts_MI_IMSI_LV(g_pars.imsi)));
+	f_establish_fully();
 	f_create_mncc_expect(hex2str(cpars.called_party));
 	f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});