diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 3abff8c..134193c 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -270,7 +270,11 @@
 						valueof(ts_MI_IMEISV_TLV(g_pars.imei & '0'H));
 		}
 		BSSGP.send(l3_mo);
+	} else {
+		/* wait for identity procedure */
+		f_sleep(1.0);
 	}
+
 	deactivate(di);
 }
 
@@ -433,6 +437,33 @@
 	vc_conn.done;
 }
 
+/* Attempt of GPRS ATTACH in 'accept all' mode */
+private function f_TC_attach_accept_all(charstring id) runs on BSSGP_ConnHdlr {
+	var MobileIdentityLV mi;
+	var RoutingAreaIdentificationV old_ra := f_random_RAI();
+
+	g_pars.net.expect_auth := false;
+
+	if (ispresent(g_pars.p_tmsi)) {
+		mi := valueof(ts_MI_TMSI_LV(g_pars.p_tmsi));
+	} else {
+		mi := valueof(ts_MI_IMSI_LV(g_pars.imsi));
+	}
+
+	BSSGP.send(ts_GMM_ATTACH_REQ(mi, old_ra, false, false, omit, omit));
+	f_gmm_auth();
+	BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?)));
+	BSSGP.send(ts_GMM_ATTACH_COMPL);
+	setverdict(pass);
+}
+testcase TC_attach_accept_all() runs on test_CT {
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	f_vty_config(SGSNVTY, "sgsn", "auth-policy accept-all");
+	vc_conn := f_start_handler(refers(f_TC_attach_accept_all), testcasename(), g_gb[0], 6);
+	vc_conn.done;
+}
 
 
 control {
@@ -441,6 +472,7 @@
 	execute( TC_attach_auth_sai_timeout() );
 	execute( TC_attach_gsup_lu_timeout() );
 	execute( TC_attach_combined() );
+	execute( TC_attach_accept_all() );
 }