diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 261a8d763..171b44fd8 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -1632,6 +1632,7 @@ void linphone_call_init_audio_stream(LinphoneCall *call){
 	if (call->audiostream != NULL) return;
 	if (call->sessions[0].rtp_session==NULL){
 		call->audiostream=audiostream=audio_stream_new(call->media_ports[0].rtp_port,call->media_ports[0].rtcp_port,call->af==AF_INET6);
+		rtp_session_set_symmetric_rtp(audiostream->ms.sessions.rtp_session,linphone_core_symmetric_rtp_enabled(lc));
 	}else{
 		call->audiostream=audio_stream_new_with_sessions(&call->sessions[0]);
 	}
@@ -1692,6 +1693,7 @@ void linphone_call_init_video_stream(LinphoneCall *call){
 
 		if (call->sessions[1].rtp_session==NULL){
 			call->videostream=video_stream_new(call->media_ports[1].rtp_port,call->media_ports[1].rtcp_port, call->af==AF_INET6);
+			rtp_session_set_symmetric_rtp(call->videostream->ms.sessions.rtp_session,linphone_core_symmetric_rtp_enabled(lc));
 		}else{
 			call->videostream=video_stream_new_with_sessions(&call->sessions[1]);
 		}
diff --git a/coreapi/misc.c b/coreapi/misc.c
index 0cc6a3ac9..38b0efa5d 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -1537,3 +1537,8 @@ const char ** linphone_core_get_supported_file_formats(LinphoneCore *core){
 	}
 	return core->supported_formats;
 }
+
+bool_t linphone_core_symmetric_rtp_enabled(LinphoneCore*lc){
+	return lp_config_get_int(lc->config,"rtp","symmetric",1);
+}
+
diff --git a/coreapi/private.h b/coreapi/private.h
index 79537e742..b03365858 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -382,6 +382,7 @@ void linphone_call_stop_media_streams_for_ice_gathering(LinphoneCall *call);
 void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md);
 void linphone_call_update_remote_session_id_and_ver(LinphoneCall *call);
 
+
 const char * linphone_core_get_identity(LinphoneCore *lc);
 
 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
@@ -397,6 +398,7 @@ void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md);
 extern SalCallbacks linphone_sal_callbacks;
 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
+bool_t linphone_core_symmetric_rtp_enabled(LinphoneCore*lc);
 
 LinphoneCall * is_a_linphone_call(void *user_pointer);
 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);