diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 79931a3..cc38433 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -3004,6 +3004,22 @@
 	}
 	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
 }
+testcase TC_meas_res_speech_tchh_toa256() runs on test_CT {
+	var template RSL_IE_ChannelMode ch_mode;
+	var ConnHdlr vc_conn;
+	var ConnHdlrPars pars;
+	f_init();
+	f_vty_config(BTSVTY, "bts 0", "supp-meas-info toa256");
+	ch_mode := ts_RSL_ChanMode(RSL_CHRT_TCH_H, RSL_CMOD_SP_GSM1);
+	for (var integer ss := 0; ss <= 1; ss := ss + 1) {
+		pars := valueof(t_Pars(t_RslChanNr_Lm(5, ss), ch_mode));
+		pars.l1_pars.toa256_enabled := true;
+		vc_conn := f_start_handler(refers(f_TC_meas_res_periodic), pars,
+					   pcu_comp := false, trxc_comp := true);
+		vc_conn.done;
+	}
+	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
 
 testcase TC_meas_res_sign_tchf() runs on test_CT {
 	var ConnHdlr vc_conn;
@@ -7109,6 +7125,7 @@
 	execute( TC_rach_load_count() );
 	execute( TC_meas_res_speech_tchf() );
 	execute( TC_meas_res_speech_tchh() );
+	execute( TC_meas_res_speech_tchh_toa256() );
 	execute( TC_meas_res_sign_tchf() );
 	execute( TC_meas_res_sign_tchh() );
 	execute( TC_meas_res_sign_sdcch4() );