diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index b44570998..54bdd48ed 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -7642,25 +7642,25 @@ testcase TC_dyn_pdch_ipa_act_deact() runs on test_CT {
 	/* The BSC will activate the dynamic PDCH by default, so confirm that */
 	rsl_unused := f_exp_ipa_rx(tr_RSL_IPA_PDCH_ACT(chan_nr));
 	f_ipa_tx(ts_RSL_IPA_PDCH_ACT_ACK(chan_nr, ts_RSL_IE_FrameNumber(2342)));
-	f_sleep(1.0);
+	f_sleep(0.1);
 	log("TCH/F_PDCH pchan, PDCH ACT was ACKed, so now in PDCH mode:");
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, PDCH_MODE);
 
 	/* De-activate it via VTY */
 	f_dyn_ipa_pdch_deact(0, 0, chan_nr.tn);
-	f_sleep(1.0);
+	f_sleep(0.1);
 	log("TCH/F_PDCH pchan, PDCH DEACT via VTY, so now back in TCH/F mode:");
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, TCHF_MODE);
 
 	/* re-activate it via VTY */
 	f_dyn_ipa_pdch_act(0, 0, chan_nr.tn);
-	f_sleep(1.0);
+	f_sleep(0.1);
 	log("TCH/F_PDCH pchan, PDCH ACT via VTY, so now in PDCH mode:");
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, PDCH_MODE);
 
 	/* and finally de-activate it again */
 	f_dyn_ipa_pdch_deact(0, 0, chan_nr.tn);
-	f_sleep(1.0);
+	f_sleep(0.1);
 	log("TCH/F_PDCH pchan, PDCH DEACT via VTY, so now back in TCH/F mode:");
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, TCHF_MODE);
 
@@ -7688,17 +7688,17 @@ testcase TC_dyn_pdch_ipa_act_nack() runs on test_CT {
 	/* The BSC will activate the dynamic PDCH by default, so confirm that */
 	rsl_unused := f_exp_ipa_rx(tr_RSL_IPA_PDCH_ACT(chan_nr));
 	f_ipa_tx(ts_RSL_IPA_PDCH_ACT_ACK(chan_nr, ts_RSL_IE_FrameNumber(2342)));
-	f_sleep(1.0);
+	f_sleep(0.1);
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, PDCH_MODE);
 
 	/* De-activate it via VTY */
 	f_dyn_ipa_pdch_deact(0, 0, chan_nr.tn);
-	f_sleep(1.0);
+	f_sleep(0.1);
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, TCHF_MODE);
 
 	/* re-activate it via VTY, but fail that; check BSC still assumes TCH/F mode */
 	f_dyn_ipa_pdch_act(0, 0, chan_nr.tn, RSL_ERR_EQUIPMENT_FAIL);
-	f_sleep(1.0);
+	f_sleep(0.1);
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, TCHF_MODE);
 
 	/* clean up config */
@@ -7766,7 +7766,7 @@ testcase TC_dyn_pdch_osmo_act_deact() runs on test_CT {
 	rsl_unused := f_exp_ipa_rx(tr_RSL_CHAN_ACT_PDCH(chan_nr));
 
 	f_ipa_tx(ts_RSL_CHAN_ACT_ACK(chan_nr, 2342));
-	f_sleep(1.0);
+	f_sleep(0.1);
 	log("TCH/F_TCH/H_PDCH requested to PDCH ACT on startup, which was ACKed, so now in PDCH:");
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, PDCH_MODE);
 
@@ -7796,7 +7796,7 @@ testcase TC_dyn_pdch_osmo_act_nack() runs on test_CT {
 
 	/* NACK this activation and expect the "show timeslot" mode still to be NONE */
 	f_ipa_tx(ts_RSL_CHAN_ACT_NACK(chan_nr, RSL_ERR_EQUIPMENT_FAIL));
-	f_sleep(1.0);
+	f_sleep(0.1);
 	f_ts_dyn_mode_assert(0, 0, chan_nr.tn, NONE_MODE);
 
 	/* clean up config */