diff --git a/daemon/commands/audio-codec-set.cc b/daemon/commands/audio-codec-set.cc
index 2d802ca8a..4d9837370 100644
--- a/daemon/commands/audio-codec-set.cc
+++ b/daemon/commands/audio-codec-set.cc
@@ -108,12 +108,8 @@ void AudioCodecSetCommand::exec(Daemon *app, const char *args) {
 					app->sendResponse(Response("New payload type number is already used.", Response::Error));
 				} else {
 					int idx = atoi(value.c_str());
-					RtpProfile *default_profile=app->getCore()->default_profile;
-					long old_idx = _payload_type_get_number(payload);
-					_payload_type_set_number(payload, idx);
-					rtp_profile_set_payload(default_profile, idx, payload);
-					rtp_profile_clear_payload(default_profile, old_idx);
-					app->sendResponse(PayloadTypeResponse(app->getCore(), payload, index));
+					linphone_core_set_payload_type_number(app->getCore(),payload, idx);
+					app->sendResponse(PayloadTypeResponse(app->getCore(), payload, idx));
 				}
 				return;
 			}
diff --git a/daemon/commands/audio-stream-start.cc b/daemon/commands/audio-stream-start.cc
index 63ee6cbc8..26707da3c 100644
--- a/daemon/commands/audio-stream-start.cc
+++ b/daemon/commands/audio-stream-start.cc
@@ -10,11 +10,21 @@ AudioStreamStartCommand::AudioStreamStartCommand() :
 						"Id: 1"));
 }
 
+static PayloadType *getPayloadType(LinphoneCore *lc, const MSList *codecs, int number){
+	const MSList *elem;
+	for (elem=codecs;elem!=NULL;elem=elem->next){
+		PayloadType *pt=(PayloadType*)elem->data;
+		if (linphone_core_get_payload_type_number(lc, pt)==number)
+			return pt;
+	}
+	return NULL;
+}
+
 void AudioStreamStartCommand::exec(Daemon *app, const char *args) {
 	char addr[256];
 	int port;
 	int payload_type;
-	RtpProfile *default_profile=app->getCore()->default_profile;
+	
 	if (sscanf(args, "%255s %d %d", addr, &port, &payload_type) == 3) {
 		int local_port = linphone_core_get_audio_port(app->getCore());
 		int jitt = linphone_core_get_audio_jittcomp(app->getCore());
@@ -23,24 +33,29 @@ void AudioStreamStartCommand::exec(Daemon *app, const char *args) {
 		MSSndCardManager *manager = ms_snd_card_manager_get();
 		MSSndCard *capture_card = ms_snd_card_manager_get_card(manager, linphone_core_get_capture_device(app->getCore()));
 		MSSndCard *play_card = ms_snd_card_manager_get_card(manager, linphone_core_get_playback_device(app->getCore()));
-		PayloadType *oldpt=rtp_profile_get_payload(default_profile,payload_type);
-		PayloadType *pt;
+		RtpProfile *prof=rtp_profile_new("stream");
+		PayloadType *pt=getPayloadType(app->getCore(), linphone_core_get_audio_codecs(app->getCore()), payload_type);
+		
+		if (!pt){
+			app->sendResponse(Response("No payload type were assigned to this number."));
+			return;
+		}
 		AudioStream *stream = audio_stream_new(local_port, local_port + 1, linphone_core_ipv6_enabled(app->getCore()));
 		audio_stream_set_features(stream,linphone_core_get_audio_features(app->getCore()));
-		if (oldpt){
-			if (ptime>0){
-				char fmtp[256];
-				snprintf(fmtp,sizeof(fmtp)-1,"ptime=%i",ptime);
-				pt=payload_type_clone(oldpt);
-				payload_type_append_send_fmtp(pt,fmtp);
-				rtp_profile_set_payload(default_profile,payload_type,pt);
-			}
+		
+		pt=payload_type_clone(pt);
+		if (ptime!=0){
+			char fmtp[32];
+			snprintf(fmtp,sizeof(fmtp)-1,"ptime=%i",ptime);
+			payload_type_append_send_fmtp(pt,fmtp);
 		}
+		rtp_profile_set_payload(prof,payload_type,pt);
+		
 		audio_stream_enable_adaptive_jittcomp(stream, linphone_core_audio_adaptive_jittcomp_enabled(app->getCore()));
 		rtp_session_set_symmetric_rtp(stream->ms.sessions.rtp_session, linphone_core_symmetric_rtp_enabled(app->getCore()));
 
-		int err=audio_stream_start_now(stream, default_profile, addr, port, port + 1, payload_type, jitt, play_card, capture_card, echo_canceller);
-		if (oldpt) rtp_profile_set_payload(default_profile,payload_type,oldpt);
+		int err=audio_stream_start_now(stream, prof, addr, port, port + 1, payload_type, jitt, play_card, capture_card, echo_canceller);
+
 		if (err != 0) {
 			app->sendResponse(Response("Error during audio stream creation."));
 			return;
diff --git a/daemon/commands/audio-stream-stop.cc b/daemon/commands/audio-stream-stop.cc
index 97b9ad7fd..69a1ec862 100644
--- a/daemon/commands/audio-stream-stop.cc
+++ b/daemon/commands/audio-stream-stop.cc
@@ -20,7 +20,9 @@ void AudioStreamStopCommand::exec(Daemon *app, const char *args) {
 			return;
 		}
 		app->removeAudioStream(id);
+		RtpProfile *prof=rtp_session_get_profile(stream->ms.sessions.rtp_session);
 		audio_stream_stop(stream);
+		rtp_profile_destroy(prof);
 		app->sendResponse(Response());
 	} else {
 		app->sendResponse(Response("Missing/Incorrect parameter(s)."));
diff --git a/daemon/commands/msfilter-add-fmtp.cc b/daemon/commands/msfilter-add-fmtp.cc
index 4b4a85637..beb8aa84d 100644
--- a/daemon/commands/msfilter-add-fmtp.cc
+++ b/daemon/commands/msfilter-add-fmtp.cc
@@ -17,10 +17,10 @@ MSFilterAddFmtpCommand::MSFilterAddFmtpCommand() :
 }
 
 void MSFilterAddFmtpCommand::exec(Daemon *app, const char *args) {
-	char type[256], fmtp[256];
+	char type[16]={0}, fmtp[512]={0};
 	int id;
 
-	if (sscanf(args, "%255s %d %255s", type, &id, fmtp) == 3) {
+	if (sscanf(args, "%15s %d %511s", type, &id, fmtp) == 3) {
 		if(strcmp(type, "call") == 0) {
 			LinphoneCall *call = app->findCall(id);
 			if (call == NULL) {
@@ -31,14 +31,14 @@ void MSFilterAddFmtpCommand::exec(Daemon *app, const char *args) {
 				app->sendResponse(Response("This call doesn't have an active audio stream."));
 				return;
 			}
-			ms_filter_call_method(call->audiostream->ms.encoder, MS_FILTER_ADD_FMTP, (void*) args);
+			ms_filter_call_method(call->audiostream->ms.encoder, MS_FILTER_ADD_FMTP, fmtp);
 		} else if(strcmp(type, "stream") == 0) {
 			AudioStream *stream = app->findAudioStream(id);
 			if (stream == NULL) {
 				app->sendResponse(Response("No Audio Stream with such id."));
 				return;
 			}
-			ms_filter_call_method(stream->ms.encoder, MS_FILTER_ADD_FMTP, (void*) args);
+			ms_filter_call_method(stream->ms.encoder, MS_FILTER_ADD_FMTP, fmtp);
 		} else {
 			app->sendResponse(Response("Incorrect parameter(s)."));
 		}