diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 7fe1dff33..923279c14 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -2859,7 +2859,7 @@ void linphone_core_iterate(LinphoneCore *lc){
 	linphone_core_run_hooks(lc);
 	linphone_core_do_plugin_tasks(lc);
 
-	if (lc->sip_network_reachable && lc->netup_time!=0 && (current_real_time-lc->netup_time)>3){
+	if (lc->sip_network_reachable && lc->netup_time!=0 && (current_real_time-lc->netup_time)>=2){
 		/*not do that immediately, take your time.*/
 		linphone_core_send_initial_subscribes(lc);
 	}
diff --git a/tester/call_single_tester.c b/tester/call_single_tester.c
index 871c48098..102a17e7d 100644
--- a/tester/call_single_tester.c
+++ b/tester/call_single_tester.c
@@ -2972,7 +2972,7 @@ void check_media_direction(LinphoneCoreManager* mgr, LinphoneCall *call, bctbx_l
 				break;
 			}
 
-			BC_ASSERT_TRUE(wait_for_list(lcs, &mgr->stat.number_of_IframeDecoded,current_recv_iframe + expected_recv_iframe,3000));
+			BC_ASSERT_TRUE(wait_for_list(lcs, &mgr->stat.number_of_IframeDecoded,current_recv_iframe + expected_recv_iframe,10000));
 		}
 #endif
 		if (audio_dir != LinphoneMediaDirectionInvalid){
diff --git a/tester/presence_server_tester.c b/tester/presence_server_tester.c
index 6857f4bbb..1e13d418f 100644
--- a/tester/presence_server_tester.c
+++ b/tester/presence_server_tester.c
@@ -162,7 +162,7 @@ static void subscriber_no_longer_reachable(void){
 		linphone_core_send_initial_subscribes(lc);
 	}
 	 */
-	wait_for_until(pauline1->lc, marie->lc, 0, 0, 3000);
+	wait_for_until(pauline1->lc, marie->lc, 0, 0, 4000);
 
 	presence =linphone_presence_model_new_with_activity(LinphonePresenceActivityBusy,NULL);
 	linphone_core_set_presence_model(pauline1->lc,presence);
diff --git a/tester/quality_reporting_tester.c b/tester/quality_reporting_tester.c
index c3d4ffc44..912c581d0 100644
--- a/tester/quality_reporting_tester.c
+++ b/tester/quality_reporting_tester.c
@@ -386,7 +386,7 @@ static void quality_reporting_interval_report_video_and_rtt(void) {
 
 	if (create_call_for_quality_reporting_tests(marie, pauline, &call_marie, &call_pauline, marie_params, pauline_params))  {
 		linphone_reporting_set_on_report_send(call_marie, on_report_send_mandatory);
-		linphone_proxy_config_set_quality_reporting_interval(call_marie->dest_proxy, 1);
+		linphone_proxy_config_set_quality_reporting_interval(call_marie->dest_proxy, 3);
 
 		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,NULL,0,3000));
 		BC_ASSERT_TRUE(linphone_call_params_video_enabled(linphone_call_get_current_params(call_pauline)));
@@ -396,8 +396,8 @@ static void quality_reporting_interval_report_video_and_rtt(void) {
 		BC_ASSERT_PTR_NOT_NULL(linphone_core_get_current_call(pauline->lc));
 
 		// PUBLISH submission to the collector should be ok
-		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePublishProgress,1,60000));
-		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePublishOk,1,60000));
+		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePublishProgress,1,5000));
+		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePublishOk,1,10000));
 
 		pauline_chat_room = linphone_call_get_chat_room(call_pauline);
 		BC_ASSERT_PTR_NOT_NULL(pauline_chat_room);
@@ -414,10 +414,10 @@ static void quality_reporting_interval_report_video_and_rtt(void) {
 			}
 			linphone_chat_room_send_chat_message(pauline_chat_room, rtt_message);
 		}
-
+		
 		end_call(marie, pauline);
-		/*wait for publish triggered by the end of call to be completed*/
-		wait_for_until(marie->lc,pauline->lc,NULL,0,6000);
+		/*wait that all publish complete*/
+		BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePublishOk,marie->stat.number_of_LinphonePublishProgress,15000));
 	}
 
 	linphone_call_params_unref(marie_params);