diff --git a/build/android/Android.mk b/build/android/Android.mk
index 96fe57e16..b0d51fc32 100755
--- a/build/android/Android.mk
+++ b/build/android/Android.mk
@@ -53,6 +53,7 @@ LOCAL_SRC_FILES := \
 	enum.c \
 	event.c \
 	friend.c \
+	friendlist.c \
 	info.c \
 	linphonecall.c \
 	linphonecore.c \
diff --git a/coreapi/linphonecore_jni.cc b/coreapi/linphonecore_jni.cc
index c58e1b48c..cd0324bb1 100644
--- a/coreapi/linphonecore_jni.cc
+++ b/coreapi/linphonecore_jni.cc
@@ -3341,17 +3341,25 @@ extern "C" void Java_org_linphone_core_LinphoneChatRoomImpl_markAsRead(JNIEnv*
 
 
 extern "C" jlong Java_org_linphone_core_LinphoneChatRoomImpl_createFileTransferMessage(JNIEnv* env, jobject thiz, jlong ptr, jstring jname, jstring jtype, jstring jsubtype, jint data_size) {
-	LinphoneContentPrivate content = {0};
+	LinphoneCore *lc = linphone_chat_room_get_core((LinphoneChatRoom*) ptr);
+	LinphoneContent * content = linphone_core_create_content(lc);
 	LinphoneChatMessage *message = NULL;
+	const char *tmp;
 
-	content.type = (char*)env->GetStringUTFChars(jtype, NULL);
-	content.subtype = (char*)env->GetStringUTFChars(jsubtype, NULL);
-	content.name = (char*)env->GetStringUTFChars(jname, NULL);
-	content.size = data_size;
-	message = linphone_chat_room_create_file_transfer_message((LinphoneChatRoom *)ptr, LINPHONE_CONTENT(&content));
-	env->ReleaseStringUTFChars(jtype, content.type);
-	env->ReleaseStringUTFChars(jsubtype, content.subtype);
-	env->ReleaseStringUTFChars(jname, content.name);
+	linphone_content_set_type(content, tmp = env->GetStringUTFChars(jtype, NULL));
+	env->ReleaseStringUTFChars(jtype, tmp);
+	
+	linphone_content_set_subtype(content, tmp = env->GetStringUTFChars(jsubtype, NULL));
+	env->ReleaseStringUTFChars(jsubtype, tmp);
+	
+	linphone_content_set_name(content, tmp = env->GetStringUTFChars(jname, NULL));
+	env->ReleaseStringUTFChars(jname, tmp);
+	
+	linphone_content_set_size(content, data_size);
+	
+	message = linphone_chat_room_create_file_transfer_message((LinphoneChatRoom *)ptr, content);
+	
+	linphone_content_unref(content);
 
 	return (jlong) message;
 }
@@ -4727,6 +4735,34 @@ extern "C" jstring Java_org_linphone_core_LinphoneCoreImpl_getUpnpExternalIpaddr
 	return jvalue;
 }
 
+static LinphoneContent *create_content_from_java_args(JNIEnv *env, LinphoneCore *lc, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding, jstring jname){
+	LinphoneContent *content = NULL;
+	if (jtype){
+		content = linphone_core_create_content(lc);
+		void *data = (void*)env->GetByteArrayElements(jdata,NULL);
+		const char *tmp;
+
+		linphone_content_set_type(content, tmp = env->GetStringUTFChars(jtype, NULL));
+		env->ReleaseStringUTFChars(jtype, tmp);
+		
+		linphone_content_set_subtype(content, tmp = env->GetStringUTFChars(jsubtype, NULL));
+		env->ReleaseStringUTFChars(jsubtype, tmp);
+		
+		if (jname){
+			linphone_content_set_name(content, tmp = env->GetStringUTFChars(jname, NULL));
+			env->ReleaseStringUTFChars(jname, tmp);
+		}
+		
+		if (jencoding){
+			linphone_content_set_encoding(content, tmp = env->GetStringUTFChars(jencoding,NULL));
+			env->ReleaseStringUTFChars(jencoding, tmp);
+		}
+		
+		linphone_content_set_buffer(content, data, env->GetArrayLength(jdata));
+		env->ReleaseByteArrayElements(jdata,(jbyte*)data,JNI_ABORT);
+	}
+	return content;
+}
 
 /*
  * Class:     org_linphone_core_LinphoneCoreImpl
@@ -4737,25 +4773,14 @@ JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneCoreImpl_subscribe(JNIE
 		jstring jevname, jint expires, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding){
 	LinphoneCore *lc=(LinphoneCore*)coreptr;
 	LinphoneAddress *addr=(LinphoneAddress*)addrptr;
-	LinphoneContentPrivate content={0};
+	LinphoneContent * content = create_content_from_java_args(env, (LinphoneCore*)coreptr, jtype, jsubtype, jdata, jencoding, NULL);
 	LinphoneEvent *ev;
 	jobject jev=NULL;
 	const char *evname=env->GetStringUTFChars(jevname,NULL);
 
-	if (jtype){
-		content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-		content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-		content.encoding=jencoding ? (char*)env->GetStringUTFChars(jencoding,NULL) : NULL;
-		content.data=(void*)env->GetByteArrayElements(jdata,NULL);
-		content.size=env->GetArrayLength(jdata);
-	}
-	ev=linphone_core_subscribe(lc,addr,evname,expires,content.type ? LINPHONE_CONTENT(&content) : NULL);
-	if (jtype){
-		env->ReleaseStringUTFChars(jtype,content.type);
-		env->ReleaseStringUTFChars(jsubtype,content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding,content.encoding);
-		env->ReleaseByteArrayElements(jdata,(jbyte*)content.data,JNI_ABORT);
-	}
+	
+	ev=linphone_core_subscribe(lc,addr,evname,expires, content);
+	if (content) linphone_content_unref(content);
 	env->ReleaseStringUTFChars(jevname,evname);
 	if (ev){
 		jev=getEvent(env,ev);
@@ -4772,25 +4797,13 @@ JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneCoreImpl_publish(JNIEnv
 																		  jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding){
 	LinphoneCore *lc=(LinphoneCore*)coreptr;
 	LinphoneAddress *addr=(LinphoneAddress*)addrptr;
-	LinphoneContentPrivate content={0};
+	LinphoneContent * content = create_content_from_java_args(env, (LinphoneCore*)coreptr, jtype, jsubtype, jdata, jencoding, NULL);
 	LinphoneEvent *ev;
 	jobject jev=NULL;
 	const char *evname=env->GetStringUTFChars(jevname,NULL);
 
-	if (jtype){
-		content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-		content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-		content.encoding=jencoding ? (char*)env->GetStringUTFChars(jencoding,NULL) : NULL;
-		content.data=(void*)env->GetByteArrayElements(jdata,NULL);
-		content.size=env->GetArrayLength(jdata);
-	}
-	ev=linphone_core_publish(lc,addr,evname,expires,content.type ? LINPHONE_CONTENT(&content) : NULL);
-	if (jtype){
-		env->ReleaseStringUTFChars(jtype,content.type);
-		env->ReleaseStringUTFChars(jsubtype,content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding,content.encoding);
-		env->ReleaseByteArrayElements(jdata,(jbyte*)content.data,JNI_ABORT);
-	}
+	ev=linphone_core_publish(lc,addr,evname,expires, content);
+	if (content) linphone_content_unref(content);
 	env->ReleaseStringUTFChars(jevname,evname);
 	if (ev){
 		jev=getEvent(env,ev);
@@ -4932,20 +4945,22 @@ static jobject create_java_linphone_content(JNIEnv *env, const LinphoneContent *
 	jstring jtype, jsubtype, jencoding, jname;
 	jbyteArray jdata = NULL;
 	jint jsize = 0;
-	const LinphoneContentPrivate *content = LINPHONE_CONTENT_PRIVATE(icontent);
+	const char *tmp;
+	void *data;
 
 	contentClass = (jclass)env->FindClass("org/linphone/core/LinphoneContentImpl");
 	ctor = env->GetMethodID(contentClass,"<init>", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;[BLjava/lang/String;I)V");
 
-	jtype = env->NewStringUTF(content->type);
-	jsubtype = env->NewStringUTF(content->subtype);
-	jencoding = content->encoding ? env->NewStringUTF(content->encoding) : NULL;
-	jname = content->name ? env->NewStringUTF(content->name) : NULL;
-	jsize = (jint) content->size;
+	jtype = env->NewStringUTF(linphone_content_get_type(icontent));
+	jsubtype = env->NewStringUTF(linphone_content_get_subtype(icontent));
+	jencoding = ((tmp = linphone_content_get_encoding(icontent))) ? env->NewStringUTF(tmp) : NULL;
+	jname = ((tmp = linphone_content_get_name(icontent))) ? env->NewStringUTF(tmp) : NULL;
+	jsize = (jint) linphone_content_get_size(icontent);
 
-	if (content->data){
-		jdata = env->NewByteArray(content->size);
-		env->SetByteArrayRegion(jdata, 0, content->size, (jbyte*)content->data);
+	data = linphone_content_get_buffer(icontent);
+	if (data){
+		jdata = env->NewByteArray(linphone_content_get_size(icontent));
+		env->SetByteArrayRegion(jdata, 0, linphone_content_get_size(icontent), (jbyte*)data);
 	}
 
 	jobject jobj = env->NewObject(contentClass, ctor, jname, jtype, jsubtype, jdata, jencoding, jsize);
@@ -5028,16 +5043,22 @@ JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneInfoMessageImpl_getCont
  * Signature: (JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
  */
 JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneInfoMessageImpl_setContent(JNIEnv *env, jobject jobj, jlong infoptr, jstring jtype, jstring jsubtype, jstring jdata){
-	LinphoneContentPrivate content={0};
-
-	content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-	content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-	content.data=(void*)env->GetStringUTFChars(jdata,NULL);
-	content.size=strlen((char*)content.data);
-	linphone_info_message_set_content((LinphoneInfoMessage*)infoptr,LINPHONE_CONTENT(&content));
-	env->ReleaseStringUTFChars(jtype,content.type);
-	env->ReleaseStringUTFChars(jsubtype,content.subtype);
-	env->ReleaseStringUTFChars(jdata,(char*)content.data);
+	LinphoneInfoMessage *infomsg = (LinphoneInfoMessage*) infoptr;
+	LinphoneContent * content = linphone_content_new();
+	const char *tmp;
+	
+	linphone_content_set_type(content, tmp = env->GetStringUTFChars(jtype,NULL));
+	env->ReleaseStringUTFChars(jtype, tmp);
+	
+	linphone_content_set_type(content, tmp = env->GetStringUTFChars(jsubtype,NULL));
+	env->ReleaseStringUTFChars(jsubtype, tmp);
+	
+	
+	linphone_content_set_string_buffer(content, tmp = env->GetStringUTFChars(jdata,NULL));
+	env->ReleaseStringUTFChars(jdata, tmp);
+	
+	linphone_info_message_set_content((LinphoneInfoMessage*)infoptr, content);
+	linphone_content_unref(content);
 }
 
 /*
@@ -5137,25 +5158,15 @@ JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_denySubscription
  * Signature: (JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)I
  */
 JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_notify(JNIEnv *env, jobject jobj, jlong evptr, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding){
-	LinphoneContentPrivate content={0};
+	LinphoneContent * content = create_content_from_java_args(env, linphone_event_get_core((LinphoneEvent *)evptr),
+						jtype, jsubtype, jdata, jencoding, NULL);
 	LinphoneEvent *ev=(LinphoneEvent*)evptr;
 	jint err;
 
-	if (jtype){
-		content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-		content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-		content.encoding=jencoding ? (char*)env->GetStringUTFChars(jsubtype,NULL) : NULL;
-		content.data=(void*)env->GetByteArrayElements(jdata,NULL);
-		content.size=env->GetArrayLength(jdata);
-	}
+	err=linphone_event_notify(ev, content);
 
-	err=linphone_event_notify(ev,content.type ? LINPHONE_CONTENT(&content) : NULL);
-
-	if (jtype){
-		env->ReleaseStringUTFChars(jtype,content.type);
-		env->ReleaseStringUTFChars(jsubtype,content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding,content.encoding);
-		env->ReleaseByteArrayElements(jdata,(jbyte*)content.data,JNI_ABORT);
+	if (content){
+		linphone_content_unref(content);
 	}
 	return err;
 }
@@ -5166,26 +5177,14 @@ JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_notify(JNIEnv *e
  * Signature: (JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)I
  */
 JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_updateSubscribe(JNIEnv *env, jobject jobj, jlong evptr, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding){
-	LinphoneContentPrivate content={0};
+	LinphoneContent * content = create_content_from_java_args(env, linphone_event_get_core((LinphoneEvent *)evptr),
+						jtype, jsubtype, jdata, jencoding, NULL);
 	LinphoneEvent *ev=(LinphoneEvent*)evptr;
 	jint err;
 
-	if (jtype){
-		content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-		content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-		content.encoding=jencoding ? (char*)env->GetStringUTFChars(jsubtype,NULL) : NULL;
-		content.data=(void*)env->GetByteArrayElements(jdata,NULL);
-		content.size=env->GetArrayLength(jdata);
-	}
+	err=linphone_event_update_subscribe(ev, content);
 
-	err=linphone_event_update_subscribe(ev,content.type ? LINPHONE_CONTENT(&content) : NULL);
-
-	if (jtype){
-		env->ReleaseStringUTFChars(jtype,content.type);
-		env->ReleaseStringUTFChars(jsubtype,content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding,content.encoding);
-		env->ReleaseByteArrayElements(jdata,(jbyte*)content.data,JNI_ABORT);
-	}
+	if (content) linphone_content_unref(content);
 	return err;
 }
 
@@ -5195,26 +5194,14 @@ JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_updateSubscribe(
  * Signature: (JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)I
  */
 JNIEXPORT jint JNICALL Java_org_linphone_core_LinphoneEventImpl_updatePublish(JNIEnv *env, jobject jobj, jlong evptr, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding){
-	LinphoneContentPrivate content={0};
+	LinphoneContent * content = create_content_from_java_args(env, linphone_event_get_core((LinphoneEvent *)evptr),
+						jtype, jsubtype, jdata, jencoding, NULL);
 	LinphoneEvent *ev=(LinphoneEvent*)evptr;
 	jint err;
+	
+	err=linphone_event_update_publish(ev, content);
 
-	if (jtype){
-		content.type=(char*)env->GetStringUTFChars(jtype,NULL);
-		content.subtype=(char*)env->GetStringUTFChars(jsubtype,NULL);
-		content.encoding=jencoding ? (char*)env->GetStringUTFChars(jsubtype,NULL) : NULL;
-		content.data=(void*)env->GetByteArrayElements(jdata,NULL);
-		content.size=env->GetArrayLength(jdata);
-	}
-
-	err=linphone_event_update_publish(ev,content.type ? LINPHONE_CONTENT(&content) : NULL);
-
-	if (jtype){
-		env->ReleaseStringUTFChars(jtype,content.type);
-		env->ReleaseStringUTFChars(jsubtype,content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding,content.encoding);
-		env->ReleaseByteArrayElements(jdata,(jbyte*)content.data,JNI_ABORT);
-	}
+	if (content) linphone_content_unref(content);
 	return err;
 }
 
@@ -5279,22 +5266,12 @@ JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneCoreImpl_createSubscrib
 	return jevent;
 }
 
-JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneEventImpl_sendSubscribe(JNIEnv *env, jobject thiz, jlong jevent, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding) {
-	LinphoneContentPrivate content = {0};
-	if (jtype) {
-		content.type = (char*) env->GetStringUTFChars(jtype, NULL);
-		content.subtype = (char*) env->GetStringUTFChars(jsubtype, NULL);
-		content.encoding = jencoding ? (char*) env->GetStringUTFChars(jencoding, NULL) : NULL;
-		content.data = (void*) env->GetByteArrayElements(jdata, NULL);
-		content.size = env->GetArrayLength(jdata);
-	}
-	linphone_event_send_subscribe((LinphoneEvent*) jevent, content.type ? LINPHONE_CONTENT(&content) : NULL);
-	if (jtype) {
-		env->ReleaseStringUTFChars(jtype, content.type);
-		env->ReleaseStringUTFChars(jsubtype, content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding, content.encoding);
-		env->ReleaseByteArrayElements(jdata, (jbyte*) content.data, JNI_ABORT);
-	}
+JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneEventImpl_sendSubscribe(JNIEnv *env, jobject thiz, jlong eventptr, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding) {
+	LinphoneContent *content = create_content_from_java_args(env, linphone_event_get_core((LinphoneEvent*)eventptr),
+							jtype, jsubtype, jdata, jencoding, NULL);
+	
+	linphone_event_send_subscribe((LinphoneEvent*) eventptr, content);
+	if (content) linphone_content_unref(content);
 }
 
 JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneCoreImpl_createPublish(JNIEnv *env, jobject thiz, jlong jcore, jlong jaddr, jstring jeventname, jint expires) {
@@ -5312,22 +5289,11 @@ JNIEXPORT jobject JNICALL Java_org_linphone_core_LinphoneCoreImpl_createPublish(
 	return jevent;
 }
 
-JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneEventImpl_sendPublish(JNIEnv *env, jobject thiz, jlong jevent, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding) {
-	LinphoneContentPrivate content = {0};
-	if (jtype) {
-		content.type = (char*) env->GetStringUTFChars(jtype, NULL);
-		content.subtype = (char*) env->GetStringUTFChars(jsubtype, NULL);
-		content.encoding = jencoding ? (char*) env->GetStringUTFChars(jencoding, NULL) : NULL;
-		content.data = (void*) env->GetByteArrayElements(jdata, NULL);
-		content.size = env->GetArrayLength(jdata);
-	}
-	linphone_event_send_publish((LinphoneEvent*) jevent, content.type ? LINPHONE_CONTENT(&content) : NULL);
-	if (jtype) {
-		env->ReleaseStringUTFChars(jtype, content.type);
-		env->ReleaseStringUTFChars(jsubtype, content.subtype);
-		if (jencoding) env->ReleaseStringUTFChars(jencoding, content.encoding);
-		env->ReleaseByteArrayElements(jdata, (jbyte*) content.data, JNI_ABORT);
-	}
+JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneEventImpl_sendPublish(JNIEnv *env, jobject thiz, jlong eventptr, jstring jtype, jstring jsubtype, jbyteArray jdata, jstring jencoding) {
+	LinphoneContent *content = create_content_from_java_args(env, linphone_event_get_core((LinphoneEvent*)eventptr),
+							jtype, jsubtype, jdata, jencoding, NULL);
+	linphone_event_send_publish((LinphoneEvent*) eventptr, content);
+	if (content) linphone_content_unref(content);
 }
 
 JNIEXPORT void JNICALL Java_org_linphone_core_LinphoneEventImpl_addCustomHeader(JNIEnv *env, jobject thiz, jlong jevent, jstring jname, jstring jvalue) {
diff --git a/coreapi/message_storage.c b/coreapi/message_storage.c
index 3bf74f6ea..d3c1f6338 100644
--- a/coreapi/message_storage.c
+++ b/coreapi/message_storage.c
@@ -253,7 +253,7 @@ void linphone_sql_request_all(sqlite3* db,const char *stmt, LinphoneCore* lc){
 }
 
 static int linphone_chat_message_store_content(LinphoneChatMessage *msg) {
-	LinphoneCore *lc = linphone_chat_room_get_lc(msg->chat_room);
+	LinphoneCore *lc = linphone_chat_room_get_core(msg->chat_room);
 	int id = -1;
 	if (lc->db) {
 		LinphoneContent *content = msg->file_transfer_information;
@@ -273,7 +273,7 @@ static int linphone_chat_message_store_content(LinphoneChatMessage *msg) {
 }
 
 unsigned int linphone_chat_message_store(LinphoneChatMessage *msg){
-	LinphoneCore *lc=linphone_chat_room_get_lc(msg->chat_room);
+	LinphoneCore *lc=linphone_chat_room_get_core(msg->chat_room);
 	int id = 0;
 
 	if (lc->db){
@@ -330,7 +330,7 @@ void linphone_chat_message_store_appdata(LinphoneChatMessage* msg){
 }
 
 void linphone_chat_room_mark_as_read(LinphoneChatRoom *cr){
-	LinphoneCore *lc=linphone_chat_room_get_lc(cr);
+	LinphoneCore *lc=linphone_chat_room_get_core(cr);
 	int read=1;
 	char *peer;
 	char *buf;
@@ -351,7 +351,7 @@ void linphone_chat_room_mark_as_read(LinphoneChatRoom *cr){
 }
 
 void linphone_chat_room_update_url(LinphoneChatRoom *cr, LinphoneChatMessage *msg) {
-	LinphoneCore *lc=linphone_chat_room_get_lc(cr);
+	LinphoneCore *lc=linphone_chat_room_get_core(cr);
 	char *buf;
 
 	if (lc->db==NULL) return ;
@@ -362,7 +362,7 @@ void linphone_chat_room_update_url(LinphoneChatRoom *cr, LinphoneChatMessage *ms
 }
 
 static int linphone_chat_room_get_messages_count(LinphoneChatRoom *cr, bool_t unread_only){
-	LinphoneCore *lc=linphone_chat_room_get_lc(cr);
+	LinphoneCore *lc=linphone_chat_room_get_core(cr);
 	int numrows=0;
 	char *peer;
 	char *buf;
@@ -433,7 +433,7 @@ void linphone_chat_room_delete_history(LinphoneChatRoom *cr){
 }
 
 MSList *linphone_chat_room_get_history_range(LinphoneChatRoom *cr, int startm, int endm){
-	LinphoneCore *lc=linphone_chat_room_get_lc(cr);
+	LinphoneCore *lc=linphone_chat_room_get_core(cr);
 	MSList *ret;
 	char *buf,*buf2;
 	char *peer;