diff --git a/coreapi/misc.c b/coreapi/misc.c
index fa50c17c3..720b6827e 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -1589,7 +1589,10 @@ bool_t linphone_core_file_format_supported(LinphoneCore *lc, const char *fmt){
 }
 
 bool_t linphone_core_symmetric_rtp_enabled(LinphoneCore*lc){
-	return lp_config_get_int(lc->config,"rtp","symmetric",1);
+	/* Clients don't really need rtp symmetric, unless they have a public IP address and want
+	 * to interoperate with natted client. This case is not frequent with client apps.
+	 */
+	return lp_config_get_int(lc->config,"rtp","symmetric",0);
 }
 
 int linphone_core_set_network_simulator_params(LinphoneCore *lc, const OrtpNetworkSimulatorParams *params){
diff --git a/mediastreamer2 b/mediastreamer2
index f18f59c88..1c8e07031 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit f18f59c88c58d6c5c7408af2213474473f87548d
+Subproject commit 1c8e070314e70813bf3a80c68ed08c6e4d4a3f56
diff --git a/oRTP b/oRTP
index 0136216d9..945ceb0b3 160000
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit 0136216d99c012b03698bc2984a2c2f047ce7713
+Subproject commit 945ceb0b3ac0b6c87da8679ee6dbc2bedafdfabe
diff --git a/tester/call_video_tester.c b/tester/call_video_tester.c
index a45387318..c26dad204 100644
--- a/tester/call_video_tester.c
+++ b/tester/call_video_tester.c
@@ -1255,6 +1255,9 @@ static void accept_call_in_send_only_base(LinphoneCoreManager* pauline, Linphone
 	linphone_core_set_video_policy(marie->lc,&pol);
 	linphone_core_set_video_device(marie->lc,liblinphone_tester_mire_id);
 
+	/*The send-only client shall set rtp symmetric in absence of media relay for this test.*/
+	lp_config_set_int(marie->lc->config,"rtp","symmetric",1);
+	
 	linphone_call_set_next_video_frame_decoded_callback(linphone_core_invite_address(pauline->lc,marie->identity)
 														,linphone_call_iframe_decoded_cb
 														,pauline->lc);
@@ -1303,7 +1306,6 @@ static void accept_call_in_send_base(bool_t caller_has_ice) {
 
 	accept_call_in_send_only_base(pauline,marie,lcs);
 
-
 	end_call(marie,pauline);
 	bctbx_list_free(lcs);
 	linphone_core_manager_destroy(marie);