diff --git a/mediastreamer2 b/mediastreamer2
index 52cc9572a..4a5d8ead9 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 52cc9572a4a338c4308cb2ceec18d8c7ed70b8db
+Subproject commit 4a5d8ead921dc66d8d309ea449998f7f6b0e0cbb
diff --git a/oRTP b/oRTP
index 5d58ed7be..d0846dd66 160000
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit 5d58ed7bead312e77bd6f0ac0328352250dd1349
+Subproject commit d0846dd661a9c82d09dfec13a348b340f20385a2
diff --git a/tester/call_single_tester.c b/tester/call_single_tester.c
index 0ef27fe6e..bbff03683 100644
--- a/tester/call_single_tester.c
+++ b/tester/call_single_tester.c
@@ -4850,6 +4850,33 @@ static void call_from_zrtp_to_plain_rtp(void){
 	call_with_encryption_mandatory(TRUE);
 }
 
+static void v6_to_v4_call_without_relay(void){
+	LinphoneCoreManager* marie;
+	LinphoneCoreManager* pauline;
+	bctbx_list_t *lcs = NULL;
+	
+	if (liblinphone_tester_ipv4_available() && liblinphone_tester_ipv6_available()){
+		marie = linphone_core_manager_new("marie_rc");
+		pauline = linphone_core_manager_new2("pauline_tcp_rc", FALSE);
+		
+		lcs = bctbx_list_append(lcs, marie->lc);
+		lcs = bctbx_list_append(lcs, pauline->lc);
+		linphone_core_enable_ipv6(pauline->lc, FALSE);
+		linphone_core_manager_start(pauline, TRUE);
+
+		if (BC_ASSERT_TRUE(call(marie,pauline))){
+			check_media_direction(marie, linphone_core_get_current_call(marie->lc), lcs, LinphoneMediaDirectionSendRecv, LinphoneMediaDirectionInvalid);
+
+			liblinphone_tester_check_rtcp(marie,pauline);
+			end_call(marie,pauline);
+		}
+		linphone_core_manager_destroy(marie);
+		linphone_core_manager_destroy(pauline);
+		bctbx_list_free(lcs);
+		
+	}else ms_warning("Test skipped, dual stack not available");
+}
+
 static void v6_call_over_nat_64(void){
 	LinphoneCoreManager* marie;
 	LinphoneCoreManager* pauline;
@@ -4905,6 +4932,7 @@ test_t call_tests[] = {
 	TEST_NO_TAG("Call with http proxy", call_with_http_proxy),
 	TEST_NO_TAG("Call with timeouted bye", call_with_timeouted_bye),
 	TEST_NO_TAG("Direct call over IPv6", direct_call_over_ipv6),
+	TEST_NO_TAG("Call IPv6 to IPv4 without relay", v6_to_v4_call_without_relay),
 	TEST_NO_TAG("IPv6 call over NAT64", v6_call_over_nat_64),
 	TEST_NO_TAG("Call with ICE in IPv4 with IPv6 enabled", call_with_ice_in_ipv4_with_v6_enabled),
 	TEST_NO_TAG("Outbound call with multiple proxy possible", call_outbound_with_multiple_proxy),