diff --git a/linphone/coreapi/linphonecore.c b/linphone/coreapi/linphonecore.c
index 6f074ee73..5598f99c4 100644
--- a/linphone/coreapi/linphonecore.c
+++ b/linphone/coreapi/linphonecore.c
@@ -50,8 +50,7 @@ static void toggle_video_preview(LinphoneCore *lc, bool_t val);
 /* relative path where is stored local ring*/
 #define LOCAL_RING "rings/oldphone.wav"
 /* same for remote ring (ringback)*/
-#define REMOTE_RING_FR "ringback.wav"
-#define REMOTE_RING_US "ringback.wav"
+#define REMOTE_RING "ringback.wav" 
 
 
 sdp_handler_t linphone_sdphandler={
@@ -384,16 +383,16 @@ void sound_config_read(LinphoneCore *lc)
 	
 	linphone_core_set_ring(lc,tmpbuf);
 	
-	tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING_FR;
+	tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 	tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 	if (access(tmpbuf,F_OK)==-1){
-		tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING_FR;
+		tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 	}
 	if (strstr(tmpbuf,".wav")==NULL){
 		/* it currently uses old sound files, so replace them */
-		tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING_FR;
+		tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 	}
-	linphone_core_set_ringback(lc,0);
+	linphone_core_set_ringback(lc,tmpbuf);
 	check_sound_device(lc);
 	lc->sound_conf.latency=0;
 
@@ -1762,7 +1761,7 @@ void linphone_core_set_ring(LinphoneCore *lc,const char *path){
 	lc->sound_conf.local_ring=ms_strdup(path);
 }
 
-const char *linphone_core_get_ring(LinphoneCore *lc){
+const char *linphone_core_get_ring(const LinphoneCore *lc){
 	return lc->sound_conf.local_ring;
 }
 
@@ -1786,17 +1785,16 @@ int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCb
 }
 
 
-void linphone_core_set_ringback(LinphoneCore *lc,RingBackType type){
-	switch(type){
-		case RINGBACK_TYPE_FR:
-			lc->sound_conf.remote_ring=PACKAGE_SOUND_DIR "/" REMOTE_RING_FR;
-		break;
-		case RINGBACK_TYPE_US:
-			lc->sound_conf.remote_ring=PACKAGE_SOUND_DIR "/" REMOTE_RING_US;
-		break;
+void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
+	if (lc->sound_conf.remote_ring!=0){
+		ms_free(lc->sound_conf.remote_ring);
 	}
+	lc->sound_conf.remote_ring=ms_strdup(path);
+}
+
+const char * linphone_core_get_ringback(const LinphoneCore *lc){
+	return lc->sound_conf.remote_ring;
 }
-RingBackType linphone_core_get_ringback(LinphoneCore *lc);
 
 void linphone_core_enable_echo_cancelation(LinphoneCore *lc, bool_t val){
 	lc->sound_conf.ec=val;
@@ -2225,6 +2223,7 @@ void sound_config_uninit(LinphoneCore *lc)
 	lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
 	lp_config_set_int(lc->config,"sound","echocancelation",config->ec);
 	if (config->local_ring) ms_free(config->local_ring);
+	if (config->remote_ring) ms_free(config->remote_ring);
 }
 
 void video_config_uninit(LinphoneCore *lc)
diff --git a/linphone/coreapi/linphonecore.h b/linphone/coreapi/linphonecore.h
index e26640090..e2c246889 100644
--- a/linphone/coreapi/linphonecore.h
+++ b/linphone/coreapi/linphonecore.h
@@ -652,11 +652,10 @@ int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid);
 char linphone_core_get_sound_source(LinphoneCore *lc);
 void linphone_core_set_sound_source(LinphoneCore *lc, char source);
 void linphone_core_set_ring(LinphoneCore *lc, const char *path);
-const char *linphone_core_get_ring(LinphoneCore *lc);
+const char *linphone_core_get_ring(const LinphoneCore *lc);
+void linphone_core_set_ringback(LinphoneCore *lc, const char *path);
+const char * linphone_core_get_ringback(const LinphoneCore *lc);
 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata);
-typedef enum {RINGBACK_TYPE_FR,RINGBACK_TYPE_US} RingBackType;
-void linphone_core_set_ringback(LinphoneCore *lc,RingBackType type);
-RingBackType linphone_core_get_ringback(LinphoneCore *lc);
 void linphone_core_enable_echo_cancelation(LinphoneCore *lc, bool_t val);
 bool_t linphone_core_echo_cancelation_enabled(LinphoneCore *lc);
 
diff --git a/linphone/mediastreamer2/include/mediastreamer2/mswebcam.h b/linphone/mediastreamer2/include/mediastreamer2/mswebcam.h
index b0e11d599..cdd19d15c 100644
--- a/linphone/mediastreamer2/include/mediastreamer2/mswebcam.h
+++ b/linphone/mediastreamer2/include/mediastreamer2/mswebcam.h
@@ -217,6 +217,11 @@ const char *ms_web_cam_get_string_id(MSWebCam *obj);
 
 /** @} */
 
+
+/*specific methods for static image:*/
+
+void ms_static_image_set_default_image(const char *path);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/linphone/mediastreamer2/src/nowebcam.c b/linphone/mediastreamer2/src/nowebcam.c
index 8dee33fc0..c5c79e74b 100644
--- a/linphone/mediastreamer2/src/nowebcam.c
+++ b/linphone/mediastreamer2/src/nowebcam.c
@@ -96,6 +96,8 @@ mblk_t *ms_load_jpeg_as_yuv(const char *jpgpath, MSVideoSize *reqsize){
 	return m;
 }
 
+
+
 #ifndef PACKAGE_DATA_DIR
 #define PACKAGE_DATA_DIR "."
 #endif
@@ -104,6 +106,11 @@ mblk_t *ms_load_jpeg_as_yuv(const char *jpgpath, MSVideoSize *reqsize){
 #define NOWEBCAM_JPG "nowebcamCIF"
 #endif
 
+static char *def_image=NULL;
+
+static const char *def_image_path=PACKAGE_DATA_DIR "/images/" NOWEBCAM_JPG ".jpg";
+
+
 mblk_t *ms_load_nowebcam(MSVideoSize *reqsize, int idx){
 	char tmp[256];
 	if (idx<0)
@@ -115,8 +122,7 @@ mblk_t *ms_load_nowebcam(MSVideoSize *reqsize, int idx){
 
 typedef struct _SIData{
 	MSVideoSize vsize;
-	char nowebcamimage[256];
-	int index;
+	char *nowebcamimage;
 	uint64_t lasttime;
 	mblk_t *pic;
 }SIData;
@@ -125,8 +131,11 @@ void static_image_init(MSFilter *f){
 	SIData *d=(SIData*)ms_new(SIData,1);
 	d->vsize.width=MS_VIDEO_SIZE_CIF_W;
 	d->vsize.height=MS_VIDEO_SIZE_CIF_H;
-	memset(d->nowebcamimage, 0, sizeof(d->nowebcamimage));
-	d->index=-1;
+
+	if (def_image==NULL)
+		def_image=ms_strdup(def_image_path);
+
+	d->nowebcamimage=ms_strdup(def_image);
 	d->lasttime=0;
 	d->pic=NULL;
 	f->data=d;
@@ -139,10 +148,7 @@ void static_image_uninit(MSFilter *f){
 void static_image_preprocess(MSFilter *f){
 	SIData *d=(SIData*)f->data;
 	if (d->pic==NULL){
-		if (d->nowebcamimage[0] != '\0')
-			d->pic=ms_load_jpeg_as_yuv(d->nowebcamimage,&d->vsize);
-		else
-			d->pic=ms_load_nowebcam(&d->vsize,d->index);
+		d->pic=ms_load_jpeg_as_yuv(d->nowebcamimage,&d->vsize);
 	}
 }
 
@@ -189,21 +195,20 @@ int static_image_get_pix_fmt(MSFilter *f, void *data){
 
 static int static_image_set_image(MSFilter *f, void *arg){
 	SIData *d=(SIData*)f->data;
-	char *image = (char *)arg;
-	ms_mutex_lock(&f->lock);
+	const char *image = (const char *)arg;
+	ms_filter_lock(f);
+	if (d->nowebcamimage) ms_free(d->nowebcamimage);
 	if (image!=NULL && image[0]!='\0')
-		snprintf(d->nowebcamimage, sizeof(d->nowebcamimage), "%s", image);
+		d->nowebcamimage=ms_strdup(image);
 	else
-		d->nowebcamimage[0] = '\0';
+		d->nowebcamimage = def_image;
 
-	if (d->pic!=NULL)
+	if (d->pic!=NULL){
 		freemsg(d->pic);
+		d->pic=NULL;
+	}
 
-  //if (d->nowebcamimage[0] != '\0')
-	 // d->pic=ms_load_jpeg_as_yuv(d->nowebcamimage,&d->vsize);
-  //else
-	 // d->pic=ms_load_nowebcam(&d->vsize,d->index);
-	ms_mutex_unlock(&f->lock);
+	ms_filter_unlock(f);
 	return 0;
 }
 
@@ -257,3 +262,10 @@ static void static_image_detect(MSWebCamManager *obj){
 	ms_web_cam_manager_add_cam(obj,cam);
 }
 
+void ms_static_image_set_default_image(const char *path){
+	if (def_image!=NULL)
+		ms_free(def_image);
+	def_image=NULL;
+	if (path)
+		def_image=ms_strdup(path);
+}
diff --git a/linphone/oRTP/src/rtpsession.c b/linphone/oRTP/src/rtpsession.c
index f773dcb86..bcd330ecd 100644
--- a/linphone/oRTP/src/rtpsession.c
+++ b/linphone/oRTP/src/rtpsession.c
@@ -1364,6 +1364,7 @@ void rtp_session_reset (RtpSession * session)
 	rtp_session_clear_recv_error_code(session);
 	rtp_stats_reset(&session->rtp.stats);
 	rtp_session_resync(session);
+	session->ssrc_set=FALSE;
 }
 
 /**