diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 8ae8eb2..eff1277 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -6706,6 +6706,11 @@
 	pars.encr := valueof(ts_RSL_IE_EncrInfo(RSL_ALG_ID_A5_3, f_rnd_octstring(8)));
 	f_testmatrix_each_chan(pars, refers(f_TC_chan_act_encr));
 }
+testcase TC_chan_act_a54() runs on test_CT {
+	var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN));
+	pars.encr := valueof(ts_RSL_IE_EncrInfo(RSL_ALG_ID_A5_4, f_rnd_octstring(16)));
+	f_testmatrix_each_chan(pars, refers(f_TC_chan_act_encr));
+}
 
 /* Test channel activation with A5/n right from the beginning and RSL MODE MODIFY
  which should break the en/decryption on purpose by supplying a new key that is unknown to the MS*/
@@ -6827,6 +6832,11 @@
 	pars.encr := valueof(ts_RSL_IE_EncrInfo(RSL_ALG_ID_A5_3, f_rnd_octstring(8)));
 	f_testmatrix_each_chan(pars, refers(f_TC_encr_cmd));
 }
+testcase TC_encr_cmd_a54() runs on test_CT {
+	var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN));
+	pars.encr := valueof(ts_RSL_IE_EncrInfo(RSL_ALG_ID_A5_4, f_rnd_octstring(16)));
+	f_testmatrix_each_chan(pars, refers(f_TC_encr_cmd));
+}
 
 private function f_assert_lapdm(octetstring enc, template LapdmFrame exp_match, charstring name := "") {
 	var LapdmFrame lf;