diff --git a/coreapi/call_params.c b/coreapi/call_params.c
index a2a378eef..b2eea131a 100644
--- a/coreapi/call_params.c
+++ b/coreapi/call_params.c
@@ -33,6 +33,28 @@ SalMediaProto get_proto_from_call_params(const LinphoneCallParams *params) {
 	return SalProtoRtpAvp;
 }
 
+static SalStreamDir sal_dir_from_call_params_dir(LinphoneCallParamsMediaDirection cpdir) {
+	switch (cpdir) {
+		default:
+		case LinphoneCallParamsMediaDirectionInactive:
+			return SalStreamInactive;
+		case LinphoneCallParamsMediaDirectionSendOnly:
+			return SalStreamSendOnly;
+		case LinphoneCallParamsMediaDirectionRecvOnly:
+			return SalStreamRecvOnly;
+		case LinphoneCallParamsMediaDirectionSendRecv:
+			return SalStreamSendRecv;
+	}
+}
+
+SalStreamDir get_audio_dir_from_call_params(const LinphoneCallParams *params) {
+	return sal_dir_from_call_params_dir(linphone_call_params_get_audio_direction(params));
+}
+
+SalStreamDir get_video_dir_from_call_params(const LinphoneCallParams *params) {
+	return sal_dir_from_call_params_dir(linphone_call_params_get_video_direction(params));
+}
+
 
 /*******************************************************************************
  * Public functions                                                            *
diff --git a/coreapi/call_params.h b/coreapi/call_params.h
index c3362534e..8d728c22c 100644
--- a/coreapi/call_params.h
+++ b/coreapi/call_params.h
@@ -280,14 +280,14 @@ LINPHONE_PUBLIC  LinphoneCallParamsMediaDirection linphone_call_params_get_video
  * @param[in] cl LinphoneCallParams object
  * @param[in] The audio stream direction associated with this call params.
 **/
-/*LINPHONE_PUBLIC void linphone_call_params_set_audio_direction(LinphoneCallParams *cp, LinphoneCallParamsMediaDirection dir);*/
+LINPHONE_PUBLIC void linphone_call_params_set_audio_direction(LinphoneCallParams *cp, LinphoneCallParamsMediaDirection dir);
 
 /**
  * Set the video stream direction. Only relevant for multicast
  * @param[in] cl LinphoneCallParams object
  * @param[in] The video stream direction associated with this call params.
 **/
-/*LINPHONE_PUBLIC void linphone_call_params_set_video_direction(LinphoneCallParams *cp, LinphoneCallParamsMediaDirection dir);*/
+LINPHONE_PUBLIC void linphone_call_params_set_video_direction(LinphoneCallParams *cp, LinphoneCallParamsMediaDirection dir);
 
 
 /*******************************************************************************
diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index ec0dd70b6..4f8b9d7e7 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -612,6 +612,7 @@ void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *
 	md->streams[0].rtp_port=call->media_ports[0].rtp_port;
 	md->streams[0].rtcp_port=call->media_ports[0].rtcp_port;
 	md->streams[0].proto=get_proto_from_call_params(call->params);
+	md->streams[0].dir=get_audio_dir_from_call_params(call->params);
 	md->streams[0].type=SalAudio;
 	if (call->params->down_ptime)
 		md->streams[0].ptime=call->params->down_ptime;
@@ -640,6 +641,7 @@ void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *
 		md->streams[1].rtp_port=call->media_ports[1].rtp_port;
 		md->streams[1].rtcp_port=call->media_ports[1].rtcp_port;
 		md->streams[1].proto=md->streams[0].proto;
+		md->streams[1].dir=get_video_dir_from_call_params(call->params);
 		md->streams[1].type=SalVideo;
 		codec_hints.bandwidth_limit=0;
 		codec_hints.max_codecs=-1;
diff --git a/coreapi/private.h b/coreapi/private.h
index 166448fe8..56ddf2dc8 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -298,6 +298,8 @@ LinphonePlayer *linphone_call_build_player(LinphoneCall*call);
 
 LinphoneCallParams * linphone_call_params_new(void);
 SalMediaProto get_proto_from_call_params(const LinphoneCallParams *params);
+SalStreamDir get_audio_dir_from_call_params(const LinphoneCallParams *params);
+SalStreamDir get_video_dir_from_call_params(const LinphoneCallParams *params);
 
 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);