diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index ddcd9cb2a..df27a3dfc 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -804,7 +804,7 @@ friend function f_pcu2sgsn(template (value) PDU_BSSGP tx, template (present) PDU
 			   integer pcu_idx := 0, boolean use_sig := false) runs on BSSGP_ConnHdlr {
 	var integer sgsn_idx := g_pars.sgsn_idx;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	if (use_sig) {
 		PCU_SIG[pcu_idx].send(tx);
@@ -841,7 +841,7 @@ friend function f_pcu2any_sgsn(template (value) PDU_BSSGP tx, template (present)
 runs on BSSGP_ConnHdlr return integer {
 	var integer rx_idx := -1;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	if (use_sig) {
 		PCU_SIG[pcu_idx].send(tx);
@@ -878,7 +878,7 @@ friend function f_sgsn2pcu(template (value) PDU_BSSGP tx, template (present) PDU
 			   integer pcu_idx := 0, boolean use_sig := false) runs on BSSGP_ConnHdlr {
 	var integer sgsn_idx := g_pars.sgsn_idx;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	if (use_sig) {
 		SGSN_SIG[sgsn_idx].send(tx);
@@ -975,7 +975,7 @@ friend function f_global_pcu2sgsn(template (value) PDU_BSSGP tx, template (prese
 				  integer pcu_idx := 0, integer sgsn_idx := 0) runs on GlobalTest_CT {
 	var integer rx_idx;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	G_PCU[pcu_idx].send(tx);
 	T.start;
@@ -1002,7 +1002,7 @@ friend function f_global_sgsn2pcu(template (value) PDU_BSSGP tx, template (prese
 				  integer sgsn_idx := 0, integer pcu_idx := 0) runs on GlobalTest_CT {
 	var integer rx_idx;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	G_SGSN[sgsn_idx].send(tx);
 	T.start;
@@ -2819,7 +2819,7 @@ const BssgpCellId cell_id_sgsn := {
 friend function f_rim_pcu2sgsn(template (value) PDU_BSSGP tx, template (present) PDU_BSSGP exp_rx,
 			       integer pcu_idx := 0) runs on GlobalTest_CT {
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	RIM_PCU[pcu_idx].send(tx);
 	T.start;
@@ -2842,7 +2842,7 @@ friend function f_rim_pcu2sgsn(template (value) PDU_BSSGP tx, template (present)
 friend function f_rim_sgsn2pcu(template (value) PDU_BSSGP tx, template (present) PDU_BSSGP exp_rx,
 			       integer sgsn_idx := 0, integer pcu_idx := 0) runs on GlobalTest_CT {
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	RIM_SGSN[sgsn_idx].send(tx);
 	T.start;
@@ -2866,7 +2866,7 @@ friend function f_rim_pcu2pcu(template (value) PDU_BSSGP tx, template (present)
 			      integer src_pcu_idx, integer dst_pcu_idx) runs on GlobalTest_CT {
 	var integer rx_idx;
 	var PDU_BSSGP rx;
-	timer T := 1.0;
+	timer T := 2.0;
 
 	RIM_PCU[src_pcu_idx].send(tx);
 	T.start;