diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 5a18a0525..ffaf24b5e 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -244,7 +244,7 @@ void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *
 	else
 		md->streams[0].ptime=linphone_core_get_download_ptime(lc);
 	l=make_codec_list(lc,lc->codecs_conf.audio_codecs,call->params.audio_bw,&md->streams[0].max_rate);
-	pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
+	pt=payload_type_clone(rtp_profile_get_payload_from_mime(lc->default_profile,"telephone-event"));
 	l=ms_list_append(l,pt);
 	md->streams[0].payloads=l;
 
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index e52fff00e..c1475c569 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -707,11 +707,12 @@ static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int c
 	return candidate;
 }
 
-static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
+static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 	char codeckey[50];
 	const char *mime,*fmtp;
 	int rate,channels,enabled;
 	PayloadType *pt;
+	LpConfig *config=lc->config;
 
 	*ret=NULL;
 	snprintf(codeckey,50,"%s_%i",type,index);
@@ -722,7 +723,7 @@ static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadTy
 	fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 	channels=lp_config_get_int(config,codeckey,"channels",0);
 	enabled=lp_config_get_int(config,codeckey,"enabled",1);
-	pt=find_payload(&av_profile,mime,rate,channels,fmtp);
+	pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 	if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 	//ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 	if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
@@ -768,10 +769,10 @@ static int codec_compare(const PayloadType *a, const PayloadType *b){
 	return 0;
 }
 
-static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
+static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 	int i;
 	for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
-		PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
+		PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 		if (pt){
 			if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 				pt=NULL;
@@ -812,22 +813,22 @@ static void codecs_config_read(LinphoneCore *lc)
 	PayloadType *pt;
 	MSList *audio_codecs=NULL;
 	MSList *video_codecs=NULL;
-	for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
+	for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 		if (pt){
 			if (!ms_filter_codec_supported(pt->mime_type)){
 				ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 			}else audio_codecs=codec_append_if_new(audio_codecs,pt);
 		}
 	}
-	audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
-	for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
+	audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
+	for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 		if (pt){
 			if (!ms_filter_codec_supported(pt->mime_type)){
 				ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 			}else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 		}
 	}
-	video_codecs=add_missing_codecs(SalVideo,video_codecs);
+	video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 	linphone_core_set_audio_codecs(lc,audio_codecs);
 	linphone_core_set_video_codecs(lc,video_codecs);
 	linphone_core_update_allocated_audio_bandwidth(lc);
@@ -1074,7 +1075,7 @@ static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *con
 	ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
 	payload_type_set_number(pt,number);
 	if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
-	rtp_profile_set_payload(&av_profile,number,pt);
+	rtp_profile_set_payload(lc->default_profile,number,pt);
 	lc->payload_types=ms_list_append(lc->payload_types,pt);
 }
 
@@ -1092,6 +1093,8 @@ static void linphone_core_handle_static_payloads(LinphoneCore *lc){
 }
 
 static void linphone_core_free_payload_types(LinphoneCore *lc){
+	rtp_profile_clear_all(lc->default_profile);
+	rtp_profile_destroy(lc->default_profile);
 	ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
 	ms_list_free(lc->payload_types);
 	lc->payload_types=NULL;
@@ -1125,6 +1128,7 @@ static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vta
 	linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
 	ortp_init();
 	lc->dyn_pt=96;
+	lc->default_profile=rtp_profile_new("default profile");
 	linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
 	linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
 	linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
diff --git a/coreapi/private.h b/coreapi/private.h
index 925a30360..43e4b2227 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -502,6 +502,7 @@ struct _LinphoneCore
 	Sal *sal;
 	LinphoneGlobalState state;
 	struct _LpConfig *config;
+	RtpProfile *default_profile;
 	net_config_t net_conf;
 	sip_config_t sip_conf;
 	rtp_config_t rtp_conf;