diff --git a/coreapi/remote_provisioning.c b/coreapi/remote_provisioning.c
index fd5d2eb92..901170eac 100644
--- a/coreapi/remote_provisioning.c
+++ b/coreapi/remote_provisioning.c
@@ -62,9 +62,9 @@ static void linphone_remote_provisioning_apply(LinphoneCore *lc, const char *xml
 
 int linphone_remote_provisioning_load_file( LinphoneCore* lc, const char* file_path){
 	int status = -1;
-	FILE* f = fopen(file_path, "r");
+	FILE* f = fopen(file_path, "rb");
 
-	if( f ){
+	if ( f ){
 		long fsize;
 		char* provisioning;
 
diff --git a/tester/call_tester.c b/tester/call_tester.c
index 9fe4c5913..237ec04ff 100644
--- a/tester/call_tester.c
+++ b/tester/call_tester.c
@@ -3072,7 +3072,7 @@ static void multiple_early_media(void) {
 	marie2_call=linphone_core_get_current_call(marie2->lc);
 
 	/*wait a bit that streams are established*/
-	wait_for_list(lcs,&dummy,1,3000);
+	wait_for_list(lcs,&dummy,1,6000);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(pauline_call)->download_bandwidth>70);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(marie1_call)->download_bandwidth>70);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(marie2_call)->download_bandwidth>70);
@@ -3085,18 +3085,18 @@ static void multiple_early_media(void) {
 	CU_ASSERT_TRUE(wait_for_list(lcs,&marie2->stat.number_of_LinphoneCallEnd,1,1000));
 
 	/*wait a bit that streams are established*/
-	wait_for_list(lcs,&dummy,1,1000);
+	wait_for_list(lcs,&dummy,1,3000);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(pauline_call)->download_bandwidth>71);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(marie1_call)->download_bandwidth>71);
 
 	/*send an INFO in reverse side to check that dialogs are properly established*/
 	info=linphone_core_create_info_message(marie1->lc);
 	linphone_call_send_info_message(marie1_call,info);
-	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_inforeceived,1,2000));
+	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_inforeceived,1,3000));
 
 	linphone_core_terminate_all_calls(pauline->lc);
-	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallEnd,1,2000));
-	CU_ASSERT_TRUE(wait_for_list(lcs,&marie1->stat.number_of_LinphoneCallEnd,1,2000));
+	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallEnd,1,3000));
+	CU_ASSERT_TRUE(wait_for_list(lcs,&marie1->stat.number_of_LinphoneCallEnd,1,3000));
 
 	ms_list_free(lcs);
 	linphone_core_manager_destroy(marie1);
diff --git a/tester/flexisip_tester.c b/tester/flexisip_tester.c
index 7f4680639..948df8fba 100644
--- a/tester/flexisip_tester.c
+++ b/tester/flexisip_tester.c
@@ -464,7 +464,7 @@ static void call_forking_with_push_notification_multiple(void){
 	linphone_core_manager_destroy(marie2);
 }
 
-void call_forking_not_responded(void){
+static void call_forking_not_responded(void){
 	LinphoneCoreManager* pauline = linphone_core_manager_new( "pauline_tcp_rc");
 	LinphoneCoreManager* marie = linphone_core_manager_new( "marie_rc");
 	LinphoneCoreManager* marie2 = linphone_core_manager_new( "marie_rc");
@@ -551,7 +551,7 @@ static void early_media_call_forking(void) {
 	marie2_call=linphone_core_get_current_call(marie2->lc);
 	
 	/*wait a bit that streams are established*/
-	wait_for_list(lcs,&dummy,1,3000);
+	wait_for_list(lcs,&dummy,1,6000);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(pauline_call)->download_bandwidth>60
 					&& linphone_call_get_audio_stats(pauline_call)->download_bandwidth<99);
 	CU_ASSERT_TRUE(linphone_call_get_audio_stats(marie1_call)->download_bandwidth>60
@@ -663,6 +663,9 @@ static void call_with_ipv6(void) {
 	LinphoneCoreManager* pauline;
 	LinphoneCall *pauline_call;
 
+	/*calling ortp_init() here is done to have WSAStartup() done, otherwise liblinphone_tester_ipv6_available() will not work.*/
+	ortp_init();
+	
 	if (!liblinphone_tester_ipv6_available()){
 		ms_warning("Call with ipv6 not tested, no ipv6 connectivity");
 		return;
@@ -708,6 +711,7 @@ static void call_with_ipv6(void) {
 	if (leaked_objects>0){
 		belle_sip_object_dump_active_objects();
 	}
+	ortp_exit();
 }
 
 test_t flexisip_tests[] = {
diff --git a/tester/setup_tester.c b/tester/setup_tester.c
index bab077623..06d734d6a 100644
--- a/tester/setup_tester.c
+++ b/tester/setup_tester.c
@@ -96,9 +96,8 @@ static void linphone_interpret_url_test()
 }
 
 static void linphone_lpconfig_from_buffer(){
-
-	static const char* buffer = "[buffer]\ntest=ok";
-	static const char* buffer_linebreaks = "[buffer_linebreaks]\n\n\n\r\n\n\r\ntest=ok";
+	const char* buffer = "[buffer]\ntest=ok";
+	const char* buffer_linebreaks = "[buffer_linebreaks]\n\n\n\r\n\n\r\ntest=ok";
 	LpConfig* conf;
 
 	conf = lp_config_new_from_buffer(buffer);
@@ -112,7 +111,7 @@ static void linphone_lpconfig_from_buffer(){
 
 static void linphone_lpconfig_from_buffer_zerolen_value(){
 	/* parameters that have no value should return NULL, not "". */
-	static const char* zerolen = "[test]\nzero_len=\nnon_zero_len=test";
+	const char* zerolen = "[test]\nzero_len=\nnon_zero_len=test";
 	LpConfig* conf;
 
 	conf = lp_config_new_from_buffer(zerolen);
@@ -128,7 +127,7 @@ static void linphone_lpconfig_from_buffer_zerolen_value(){
 
 static void linphone_lpconfig_from_file_zerolen_value(){
 	/* parameters that have no value should return NULL, not "". */
-	static const char* zero_rc_file = "zero_length_params_rc";
+	const char* zero_rc_file = "zero_length_params_rc";
 	char* rc_path = ms_strdup_printf("%s/rcfiles/%s", liblinphone_tester_file_prefix, zero_rc_file);
 	LpConfig* conf;
 
@@ -144,11 +143,12 @@ static void linphone_lpconfig_from_file_zerolen_value(){
 	lp_config_set_string(conf, "test", "non_zero_len", ""); /* should remove "non_zero_len" */
 	CU_ASSERT_STRING_EQUAL(lp_config_get_string(conf,"test","non_zero_len","LOL"), "LOL");
 
+	ms_free(rc_path);
 	lp_config_destroy(conf);
 }
 
 static void linphone_lpconfig_from_xml_zerolen_value(){
-	static const char* zero_xml_file = "remote_zero_length_params_rc";
+	const char* zero_xml_file = "remote_zero_length_params_rc";
 	char* xml_path = ms_strdup_printf("%s/rcfiles/%s", liblinphone_tester_file_prefix, zero_xml_file);
 	LpConfig* conf;
 
@@ -165,7 +165,7 @@ static void linphone_lpconfig_from_xml_zerolen_value(){
 	CU_ASSERT_STRING_EQUAL(lp_config_get_string(conf,"test","non_zero_len","LOL"), "LOL");
 
 	linphone_core_manager_destroy(mgr);
-
+	ms_free(xml_path);
 }
 
 void linphone_proxy_config_address_equal_test() {