diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index fd0c31eb4..1180bfff9 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -45,6 +45,7 @@ liblinphone_la_SOURCES=\
 	ec-calibrator.c \
 	conference.c \
 	message_storage.c \
+	info.c \
 	$(GITVERSION_FILE)
 
 if BUILD_UPNP
@@ -52,16 +53,17 @@ liblinphone_la_SOURCES+=upnp.c upnp.h
 endif
 	
 if USE_BELLESIP
-liblinphone_la_SOURCES+= 	bellesip_sal/sal_address_impl.c \
-							bellesip_sal/sal_impl.c \
-							bellesip_sal/sal_op_impl.c \
-							bellesip_sal/sal_op_call.c \
-							bellesip_sal/sal_op_registration.c \
-							bellesip_sal/sal_sdp.c  \
-							bellesip_sal/sal_op_message.c \
-							bellesip_sal/sal_op_presence.c \
-							bellesip_sal/sal_op_publish.c \
-							bellesip_sal/sal_op_call_transfer.c						
+liblinphone_la_SOURCES+=	bellesip_sal/sal_address_impl.c \
+				bellesip_sal/sal_impl.c \
+				bellesip_sal/sal_op_impl.c \
+				bellesip_sal/sal_op_call.c \
+				bellesip_sal/sal_op_registration.c \
+				bellesip_sal/sal_sdp.c  \
+				bellesip_sal/sal_op_message.c \
+				bellesip_sal/sal_op_presence.c \
+				bellesip_sal/sal_op_publish.c \
+				bellesip_sal/sal_op_call_transfer.c \
+				bellesip_sal/sal_op_info.c
 else
 liblinphone_la_SOURCES+= 	sal_eXosip2.c sal_eXosip2.h\
 							sal_eXosip2_sdp.c \
diff --git a/coreapi/bellesip_sal/sal_impl.c b/coreapi/bellesip_sal/sal_impl.c
index 9c3342ccb..b07a7bdf9 100644
--- a/coreapi/bellesip_sal/sal_impl.c
+++ b/coreapi/bellesip_sal/sal_impl.c
@@ -53,16 +53,18 @@ void _belle_sip_log(belle_sip_log_level lev, const char *fmt, va_list args) {
 void sal_enable_logs(){
 	belle_sip_set_log_level(BELLE_SIP_LOG_MESSAGE);
 }
+
 void sal_disable_logs() {
 	belle_sip_set_log_level(BELLE_SIP_LOG_ERROR);
 }
+
 void sal_add_pending_auth(Sal *sal, SalOp *op){
 	if (ms_list_find(sal->pending_auths,op)==NULL){
 		sal->pending_auths=ms_list_append(sal->pending_auths,sal_op_ref(op));
 	}
 }
 
- void sal_remove_pending_auth(Sal *sal, SalOp *op){
+void sal_remove_pending_auth(Sal *sal, SalOp *op){
 	if (ms_list_find(sal->pending_auths,op)){
 		sal->pending_auths=ms_list_remove(sal->pending_auths,op);
 		sal_op_unref(op);
@@ -104,6 +106,7 @@ void sal_process_authentication(SalOp *op) {
 	}
 
 }
+
 static void process_dialog_terminated(void *sal, const belle_sip_dialog_terminated_event_t *event){
 	belle_sip_dialog_t* dialog =  belle_sip_dialog_terminated_get_dialog(event);
 	SalOp* op = belle_sip_dialog_get_application_data(dialog);
@@ -113,6 +116,7 @@ static void process_dialog_terminated(void *sal, const belle_sip_dialog_terminat
 		ms_error("sal process_dialog_terminated no op found for this dialog [%p], ignoring",dialog);
 	}
 }
+
 static void process_io_error(void *user_ctx, const belle_sip_io_error_event_t *event){
 	belle_sip_client_transaction_t*client_transaction;
 	SalOp* op;
@@ -126,6 +130,7 @@ static void process_io_error(void *user_ctx, const belle_sip_io_error_event_t *e
 		ms_error("sal process_io_error not implemented yet for non transaction");
 	}
 }
+
 static void process_request_event(void *sal, const belle_sip_request_event_t *event) {
 	SalOp* op=NULL;
 	belle_sip_request_t* req = belle_sip_request_event_get_request(event);
@@ -152,11 +157,14 @@ static void process_request_event(void *sal, const belle_sip_request_event_t *ev
 		op=sal_op_new((Sal*)sal);
 		op->dir=SalOpDirIncoming;
 		sal_op_message_fill_cbs(op);
-
 	} else if (strcmp("OPTIONS",belle_sip_request_get_method(req))==0) {
 		resp=belle_sip_response_create_from_request(req,200);
 		belle_sip_provider_send_response(((Sal*)sal)->prov,resp);
 		return;
+	}else if (strcmp("INFO",belle_sip_request_get_method(req))==0) {
+		op=sal_op_new((Sal*)sal);
+		op->dir=SalOpDirIncoming;
+		sal_op_info_fill_cbs(op);
 	}else {
 		ms_error("sal process_request_event not implemented yet for method [%s]",belle_sip_request_get_method(req));
 		resp=belle_sip_response_create_from_request(req,501);
@@ -447,6 +455,8 @@ void sal_set_callbacks(Sal *ctx, const SalCallbacks *cbs){
 		ctx->callbacks.ping_reply=(SalOnPingReply)unimplemented_stub;
 	if (ctx->callbacks.auth_requested==NULL)
 		ctx->callbacks.auth_requested=(SalOnAuthRequested)unimplemented_stub;
+	if (ctx->callbacks.info_received==NULL)
+		ctx->callbacks.info_received=(SalOnInfoReceived)unimplemented_stub;
 }
 
 
@@ -739,10 +749,12 @@ const char *sal_custom_header_find(const SalCustomHeader *ch, const char *name){
 }
 
 void sal_custom_header_free(SalCustomHeader *ch){
+	if (ch==NULL) return;
 	belle_sip_object_unref((belle_sip_message_t*)ch);
 }
 
 SalCustomHeader *sal_custom_header_clone(const SalCustomHeader *ch){
+	if (ch==NULL) return NULL;
 	return (SalCustomHeader*)belle_sip_object_ref((belle_sip_message_t*)ch);
 }
 
diff --git a/coreapi/bellesip_sal/sal_impl.h b/coreapi/bellesip_sal/sal_impl.h
index 1aa33c953..ca8cfc9d0 100644
--- a/coreapi/bellesip_sal/sal_impl.h
+++ b/coreapi/bellesip_sal/sal_impl.h
@@ -52,6 +52,7 @@ typedef enum SalOpSate {
 	,SalOpStateTerminating /*this state is used to wait until a proceeding state, so we can send the cancel*/
 	,SalOpStateTerminated
 }SalOpSate_t;
+
 const char* sal_op_state_to_string(const SalOpSate_t value);
 
 typedef enum SalOpDir {
@@ -64,7 +65,8 @@ typedef enum SalOpType {
 	SalOpCall,
 	SalOpMessage,
 	SalOpPresence,
-	SalOpPublish
+	SalOpPublish,
+	SalOpInfo
 }SalOpType_t;
 const char* sal_op_type_to_string(const SalOpType_t type);
 
@@ -121,7 +123,11 @@ void sal_compute_sal_errors_from_code(int code ,SalError* sal_err,SalReason* sal
 void sal_op_presence_fill_cbs(SalOp*op);
 /*messaging*/
 void sal_op_message_fill_cbs(SalOp*op);
-/*call transfert*/
+
+/*info*/
+void sal_op_info_fill_cbs(SalOp*op);
+
+/*call transfer*/
 void sal_op_process_refer(SalOp *op, const belle_sip_request_event_t *event);
 void sal_op_call_process_notify(SalOp *op, const belle_sip_request_event_t *event);
 /*create SalAuthInfo by copying username and realm from suth event*/
diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 994a865dd..0f977b911 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -621,7 +621,7 @@ static void call_failure(SalOp *op, SalError error, SalReason sr, const char *de
 							call->localdesc->streams[i].proto = SalProtoRtpAvp;
 							memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto));
 						}
-						linphone_core_start_invite(lc, call);
+						linphone_core_restart_invite(lc, call);
 					}
 					return;
 				}
@@ -973,6 +973,7 @@ static LinphoneChatMessageState chatStatusSal2Linphone(SalTextDeliveryStatus sta
 static int op_equals(LinphoneCall *a, SalOp *b) {
 	return a->op !=b; /*return 0 if equals*/
 }
+
 static void text_delivery_update(SalOp *op, SalTextDeliveryStatus status){
 	LinphoneChatMessage *chat_msg=(LinphoneChatMessage* )sal_op_get_user_pointer(op);
 	const MSList* calls = linphone_core_get_calls(chat_msg->chat_room->lc);
@@ -995,6 +996,11 @@ static void text_delivery_update(SalOp *op, SalTextDeliveryStatus status){
 	}
 }
 
+static void info_received(SalOp *op, const SalBody *body){
+	LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
+	linphone_core_notify_info_message(lc,op,body);
+}
+
 SalCallbacks linphone_sal_callbacks={
 	call_received,
 	call_ringing,
@@ -1023,7 +1029,8 @@ SalCallbacks linphone_sal_callbacks={
 	subscribe_received,
 	subscribe_closed,
 	ping_reply,
-	auth_requested
+	auth_requested,
+	info_received
 };
 
 
diff --git a/coreapi/chat.c b/coreapi/chat.c
index 5fa51c46d..15f380c0f 100644
--- a/coreapi/chat.c
+++ b/coreapi/chat.c
@@ -65,7 +65,6 @@ void linphone_chat_room_destroy(LinphoneChatRoom *cr){
 
 
 static void _linphone_chat_room_send_message(LinphoneChatRoom *cr, LinphoneChatMessage* msg){
-	MSList *routes=NULL;
 	SalOp *op=NULL;
 	LinphoneCall *call;
 	char* content_type;
@@ -88,18 +87,14 @@ static void _linphone_chat_room_send_message(LinphoneChatRoom *cr, LinphoneChatM
 	}
 	msg->time=t;
 	if (op==NULL){
-		LinphoneProxyConfig *proxy=linphone_core_lookup_known_proxy(cr->lc,cr->peer_url,&routes);
+		LinphoneProxyConfig *proxy=linphone_core_lookup_known_proxy(cr->lc,cr->peer_url);
 		if (proxy){
 			identity=linphone_proxy_config_get_identity(proxy);
 		}else identity=linphone_core_get_primary_contact(cr->lc);
 		/*sending out of calls*/
 		op = sal_op_new(cr->lc->sal);
-		linphone_transfer_routes_to_op(routes,op);
+		linphone_configure_op(cr->lc,op,cr->peer_url,msg->custom_headers,FALSE);
 		sal_op_set_user_pointer(op, msg); /*if out of call, directly store msg*/
-		if (msg->custom_headers){
-			sal_op_set_sent_custom_header(op,msg->custom_headers);
-			msg->custom_headers=NULL; /*transfered to the SalOp*/
-		}
 	}
 	if (msg->external_body_url) {
 		content_type=ms_strdup_printf("message/external-body; access-type=URL; URL=\"%s\"",msg->external_body_url);
diff --git a/coreapi/friend.c b/coreapi/friend.c
index 19dd16f01..ad6eabe54 100644
--- a/coreapi/friend.c
+++ b/coreapi/friend.c
@@ -106,13 +106,11 @@ LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op){
 
 void __linphone_friend_do_subscribe(LinphoneFriend *fr){
 	char *friend=NULL;
-	const char *route=NULL;
 	const char *from=NULL;
 	LinphoneProxyConfig *cfg;
-	MSList *routes=NULL;
 	
 	friend=linphone_address_as_string(fr->uri);
-	cfg=linphone_core_lookup_known_proxy(fr->lc,linphone_friend_get_address(fr),&routes);
+	cfg=linphone_core_lookup_known_proxy(fr->lc,linphone_friend_get_address(fr));
 	if (cfg!=NULL){
 		from=linphone_proxy_config_get_identity(cfg);
 	}else from=linphone_core_get_primary_contact(fr->lc);
@@ -129,12 +127,7 @@ void __linphone_friend_do_subscribe(LinphoneFriend *fr){
 		fr->outsub=NULL;
 	}
 	fr->outsub=sal_op_new(fr->lc->sal);
-	sal_op_set_route(fr->outsub,route);
-	if (cfg && cfg->op && sal_op_get_contact(cfg->op))
-		sal_op_set_contact(fr->outsub,sal_op_get_contact(cfg->op));
-	else
-		sal_op_set_contact(fr->outsub,NULL);
-	linphone_transfer_routes_to_op(routes,fr->outsub);
+	linphone_configure_op(fr->lc,fr->outsub,fr->uri,NULL,TRUE);
 	sal_subscribe_presence(fr->outsub,from,friend);
 	fr->subscribe_active=TRUE;
 	ms_free(friend);
diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 5735cb777..d56d7ee60 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -468,17 +468,23 @@ static void discover_mtu(LinphoneCore *lc, const char *remote){
 	}
 }
 
-LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params)
-{
-	LinphoneCall *call=ms_new0(LinphoneCall,1);
-	call->dir=LinphoneCallOutgoing;
-	call->op=sal_op_new(lc->sal);
+void linphone_call_create_op(LinphoneCall *call){
+	if (call->op) sal_op_release(call->op);
+	call->op=sal_op_new(call->core->sal);
 	sal_op_set_user_pointer(call->op,call);
+	if (call->params.referer)
+		sal_call_set_referer(call->op,call->params.referer->op);
+	linphone_configure_op(call->core,call->op,call->log->to,call->params.custom_headers,FALSE);
+}
+
+LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params, LinphoneProxyConfig *cfg){
+	LinphoneCall *call=ms_new0(LinphoneCall,1);
+	
+	call->dir=LinphoneCallOutgoing;
 	call->core=lc;
 	linphone_core_get_local_ip(lc,NULL,call->localip);
 	linphone_call_init_common(call,from,to);
 	_linphone_call_params_copy(&call->params,params);
-	sal_op_set_sent_custom_header(call->op,call->params.custom_headers);
 	
 	if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
 		call->ice_session = ice_session_new();
@@ -498,9 +504,10 @@ LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddr
 	
 	discover_mtu(lc,linphone_address_get_domain (to));
 	if (params->referer){
-		sal_call_set_referer(call->op,params->referer->op);
 		call->referer=linphone_call_ref(params->referer);
 	}
+	call->dest_proxy=cfg;
+	linphone_call_create_op(call);
 	return call;
 }
 
@@ -2530,17 +2537,10 @@ void linphone_call_set_contact_op(LinphoneCall* call) {
 #else
 	LinphoneAddress *contact;
 #endif
-	LinphoneProxyConfig *cfg = NULL;
 
 	if (call->dest_proxy == NULL) {
 		/* Try to define the destination proxy if it has not already been done to have a correct contact field in the SIP messages */
-		linphone_core_get_default_proxy(call->core, &cfg);
-		call->dest_proxy = cfg;
-		call->dest_proxy = linphone_core_lookup_known_proxy(call->core, call->log->to, NULL);
-		if (cfg != call->dest_proxy && call->dest_proxy != NULL) {
-			ms_message("Overriding default proxy setting for this call:");
-			ms_message("The used identity will be %s", linphone_proxy_config_get_identity(call->dest_proxy));
-		}
+		call->dest_proxy = linphone_core_lookup_known_proxy(call->core, call->log->to);
 	}
 
 	contact=get_fixed_contact(call->core,call,call->dest_proxy);
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 568435730..7e16f4403 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -2050,7 +2050,7 @@ static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig
 	for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
 		LinphoneFriend *lf=(LinphoneFriend*)elem->data;
 		if (lf->info==NULL){
-			if (linphone_core_lookup_known_proxy(lc,lf->uri,NULL)==cfg){
+			if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
 				if (linphone_address_get_username(lf->uri)!=NULL){
 					BuddyLookupRequest *req;
 					char *tmp=linphone_address_as_string_uri_only(lf->uri);
@@ -2363,7 +2363,7 @@ void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, L
    system.
 */
 	
-static MSList *make_routes_for_proxy(LinphoneProxyConfig *proxy, const LinphoneAddress *addr){
+static MSList *make_routes_for_proxy(LinphoneProxyConfig *proxy, const LinphoneAddress *dest){
 	MSList *ret=NULL;
 	const char *local_route=linphone_proxy_config_get_route(proxy);
 	const LinphoneAddress *srv_route=linphone_proxy_config_get_service_route(proxy);
@@ -2380,8 +2380,8 @@ static MSList *make_routes_for_proxy(LinphoneProxyConfig *proxy, const LinphoneA
 		const char *transport=sal_address_get_transport_name(proxy_addr);
 		if (transport){
 			SalAddress *route=sal_address_new(NULL);
-			sal_address_set_domain(route,sal_address_get_domain((SalAddress*)addr));
-			sal_address_set_port_int(route,sal_address_get_port_int((SalAddress*)addr));
+			sal_address_set_domain(route,sal_address_get_domain((SalAddress*)dest));
+			sal_address_set_port_int(route,sal_address_get_port_int((SalAddress*)dest));
 			sal_address_set_transport_name(route,transport);
 			ret=ms_list_append(ret,route);
 		}
@@ -2390,7 +2390,7 @@ static MSList *make_routes_for_proxy(LinphoneProxyConfig *proxy, const LinphoneA
 	return ret;
 }
 
-LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri, MSList **routes){
+LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
 	const MSList *elem;
 	LinphoneProxyConfig *found_cfg=NULL;
 	LinphoneProxyConfig *default_cfg=lc->default_proxy;
@@ -2416,31 +2416,17 @@ LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const L
 end:
 	if (found_cfg!=NULL && found_cfg!=default_cfg){
 		ms_message("Overriding default proxy setting for this call/message/subscribe operation.");
-	};
-	
-	/*if route argument is given, fill adequate route set for this proxy.*/
-	if (routes){
-		if (found_cfg){
-			*routes=make_routes_for_proxy(found_cfg,uri);
-		}else if (default_cfg){
-			/*if the default proxy config has a locally configured route, we should use it*/
-			const char *route=linphone_proxy_config_get_route(default_cfg);
-			if (route)
-				*routes=ms_list_append(*routes,sal_address_new(route));
-		}
-	}
+	}else found_cfg=default_cfg;
 	
 	return found_cfg;
 }
 
 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to){
-	LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to,NULL);
-	if (cfg==NULL)
-		linphone_core_get_default_proxy (lc,&cfg);
+	LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
 	if (cfg!=NULL){
 		return linphone_proxy_config_get_identity (cfg);
 	}
-	return linphone_core_get_primary_contact (lc);
+	return linphone_core_get_primary_contact(lc);
 }
 
 
@@ -2475,6 +2461,11 @@ int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *c
 	return 0;
 }
 
+int linphone_core_restart_invite(LinphoneCore *lc, LinphoneCall *call){
+	linphone_call_create_op(call);
+	return linphone_core_start_invite(lc,call);
+}
+
 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
 	int err;
 	char *real_url,*barmsg;
@@ -2587,7 +2578,7 @@ LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddr
 	return call;
 }
 
-void linphone_transfer_routes_to_op(MSList *routes, SalOp *op){
+static void linphone_transfer_routes_to_op(MSList *routes, SalOp *op){
 	MSList *it;
 	for(it=routes;it!=NULL;it=it->next){
 		SalAddress *addr=(SalAddress*)it->data;
@@ -2597,6 +2588,26 @@ void linphone_transfer_routes_to_op(MSList *routes, SalOp *op){
 	ms_list_free(routes);
 }
 
+void linphone_configure_op(LinphoneCore *lc, SalOp *op, const LinphoneAddress *dest, SalCustomHeader *headers, bool_t with_contact){
+	MSList *routes=NULL;
+	LinphoneProxyConfig *proxy=linphone_core_lookup_known_proxy(lc,dest);
+	const char *identity;
+	if (proxy){
+		identity=linphone_proxy_config_get_identity(proxy);
+	}else identity=linphone_core_get_primary_contact(lc);
+	/*sending out of calls*/
+	if (proxy){
+		routes=make_routes_for_proxy(proxy,dest);
+		linphone_transfer_routes_to_op(routes,op);
+	}
+	sal_op_set_to_address(op,dest);
+	sal_op_set_from(op,identity);
+	sal_op_set_sent_custom_header(op,headers);
+	if (with_contact && proxy && proxy->op && sal_op_get_contact(proxy->op)){
+		sal_op_set_contact(op,sal_op_get_contact(proxy->op));
+	}
+}
+
 /**
  * Initiates an outgoing call given a destination LinphoneAddress
  *
@@ -2619,7 +2630,6 @@ LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const
 	LinphoneAddress *parsed_url2=NULL;
 	char *real_url=NULL;
 	LinphoneCall *call;
-	MSList *routes=NULL;
 	bool_t defer = FALSE;
 
 	linphone_core_preempt_sound_resources(lc);
@@ -2632,7 +2642,7 @@ LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const
 	linphone_core_get_default_proxy(lc,&proxy);
 
 	real_url=linphone_address_as_string(addr);
-	proxy=linphone_core_lookup_known_proxy(lc,addr,&routes);
+	proxy=linphone_core_lookup_known_proxy(lc,addr);
 
 	if (proxy!=NULL)
 		from=linphone_proxy_config_get_identity(proxy);
@@ -2642,9 +2652,7 @@ LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const
 
 	parsed_url2=linphone_address_new(from);
 
-	call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
-	call->dest_proxy=proxy;
-	linphone_transfer_routes_to_op(routes,call->op);
+	call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params,proxy);
 	
 	if(linphone_core_add_call(lc,call)!= 0)
 	{
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 6fc091c9e..433001d65 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -221,6 +221,37 @@ LINPHONE_PUBLIC	void linphone_call_params_set_record_file(LinphoneCallParams *cp
 LINPHONE_PUBLIC	const char *linphone_call_params_get_record_file(const LinphoneCallParams *cp);
 LINPHONE_PUBLIC	void linphone_call_params_add_custom_header(LinphoneCallParams *params, const char *header_name, const char *header_value);
 LINPHONE_PUBLIC	const char *linphone_call_params_get_custom_header(const LinphoneCallParams *params, const char *header_name);
+
+
+struct _LinphoneInfoMessage;
+/**
+ * The LinphoneInfoMessage is an object representing an informational message sent or received by the core.
+**/
+typedef struct _LinphoneInfoMessage LinphoneInfoMessage;
+
+/**
+ * The LinphoneContent struct holds data that can be embedded in a signaling message.
+**/
+struct _LinphoneContent{
+	char *type; /**<mime type for the data, for example "application"*/
+	char *subtype; /**<mime subtype for the data, for example "html"*/
+	void *data; /**<the actual data buffer, usually a string */
+	size_t size; /**<the size of the data buffer, excluding null character despite null character is always set for convenience.*/
+};
+
+/**
+ * Alias to the LinphoneContent struct.
+**/
+typedef struct _LinphoneContent LinphoneContent;
+
+LINPHONE_PUBLIC LinphoneInfoMessage *linphone_core_create_info_message(LinphoneCore *lc);
+LINPHONE_PUBLIC int linphone_core_send_info_message(LinphoneCore *lc, const LinphoneInfoMessage *info, const LinphoneAddress *addr);
+LINPHONE_PUBLIC void linphone_info_message_add_header(LinphoneInfoMessage *im, const char *name, const char *value);
+LINPHONE_PUBLIC const char *linphone_info_message_get_header(LinphoneInfoMessage *im, const char *name);
+LINPHONE_PUBLIC void linphone_info_message_set_content(LinphoneInfoMessage *im,  const LinphoneContent *content);
+LINPHONE_PUBLIC const LinphoneContent * linphone_info_message_get_content(LinphoneInfoMessage *im);
+LINPHONE_PUBLIC void linphone_info_message_destroy(LinphoneInfoMessage *im);
+
 /**
  * Enum describing failure reasons.
  * @ingroup initializing
@@ -827,6 +858,8 @@ typedef void (*LinphoneTransferStateChanged)(struct _LinphoneCore *lc, LinphoneC
 /** Callback prototype for receiving quality statistics for calls*/
 typedef void (*CallStatsUpdated)(struct _LinphoneCore *lc, LinphoneCall *call, const LinphoneCallStats *stats);
 
+/** Callback prototype for receiving info messages*/
+typedef void (*LinphoneInfoReceivedCb)(struct _LinphoneCore *lc, const LinphoneInfoMessage *msg);
 /**
  * This structure holds all callbacks that the application should implement.
  *  None is mandatory.
@@ -839,7 +872,6 @@ typedef struct _LinphoneVTable{
 	NewSubscribtionRequestCb new_subscription_request; /**< Notify about pending subscription request */
 	AuthInfoRequested auth_info_requested; /**< Ask the application some authentication information */
 	CallLogUpdated call_log_updated; /**< Notifies that call log list has been updated */
-	TextMessageReceived text_received; /** @deprecated, use #message_received instead <br> A text message has been received */
 	MessageReceived message_received; /** a message is received, can be text or external body*/
 	DtmfReceived dtmf_received; /**< A dtmf has been received received */
 	ReferReceived refer_received; /**< An out of call refer was received */
@@ -848,11 +880,13 @@ typedef struct _LinphoneVTable{
 	BuddyInfoUpdated buddy_info_updated; /**< a LinphoneFriend's BuddyInfo has changed*/
 	NotifyReceivedCb notify_recv; /**< Other notifications*/
 	CallStatsUpdated call_stats_updated; /**<Notifies on refreshing of call's statistics. */
-	DisplayStatusCb display_status; /**< DEPRECATED Callback that notifies various events with human readable text.*/
-	DisplayMessageCb display_message;/**< DEPRECATED Callback to display a message to the user */
-	DisplayMessageCb display_warning;/**< DEPRECATED Callback to display a warning to the user */
-	DisplayUrlCb display_url; /**< DEPRECATED */
-	ShowInterfaceCb show; /**< DEPRECATED Notifies the application that it should show up*/
+	LinphoneInfoReceivedCb info_received; /**<Notifies an incoming informational message received.*/
+	DisplayStatusCb display_status; /**< @deprecated Callback that notifies various events with human readable text.*/
+	DisplayMessageCb display_message;/**< @deprecated Callback to display a message to the user */
+	DisplayMessageCb display_warning;/**< @deprecated Callback to display a warning to the user */
+	DisplayUrlCb display_url; /**< @deprecated */
+	ShowInterfaceCb show; /**< @deprecated Notifies the application that it should show up*/
+	TextMessageReceived text_received; /** @deprecated, use #message_received instead <br> A text message has been received */
 } LinphoneCoreVTable;
 
 /**
@@ -1522,14 +1556,15 @@ typedef struct _LinphoneTunnel LinphoneTunnel;
 */
 LINPHONE_PUBLIC	LinphoneTunnel *linphone_core_get_tunnel(LinphoneCore *lc);
 
-void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp);
-int linphone_core_get_sip_dscp(const LinphoneCore *lc);
+LINPHONE_PUBLIC void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp);
+LINPHONE_PUBLIC int linphone_core_get_sip_dscp(const LinphoneCore *lc);
 
-void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp);
-int linphone_core_get_audio_dscp(const LinphoneCore *lc);
+LINPHONE_PUBLIC void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp);
+LINPHONE_PUBLIC int linphone_core_get_audio_dscp(const LinphoneCore *lc);
+
+LINPHONE_PUBLIC void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp);
+LINPHONE_PUBLIC int linphone_core_get_video_dscp(const LinphoneCore *lc);
 
-void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp);
-int linphone_core_get_video_dscp(const LinphoneCore *lc);
 
 
 #ifdef __cplusplus
diff --git a/coreapi/presence.c b/coreapi/presence.c
index 8c93b28f7..89f361ff7 100644
--- a/coreapi/presence.c
+++ b/coreapi/presence.c
@@ -64,7 +64,7 @@ void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from){
 	tmp=linphone_address_as_string(uri);
 	ms_message("Receiving new subscription from %s.",from);
 
-	cfg=linphone_core_lookup_known_proxy(lc,uri,NULL);
+	cfg=linphone_core_lookup_known_proxy(lc,uri);
 	if (cfg!=NULL){
 		if (cfg->op){
 			if (sal_op_get_contact(cfg->op)) {
diff --git a/coreapi/private.h b/coreapi/private.h
index 611436f0b..6afc16c4b 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -215,7 +215,7 @@ struct _LinphoneCall
 };
 
 
-LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
+LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params, LinphoneProxyConfig *cfg);
 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
 void linphone_call_set_contact_op(LinphoneCall* call);
@@ -315,8 +315,7 @@ LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc,
 
 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
-LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri, MSList **routes);
-void linphone_transfer_routes_to_op(MSList *routes, SalOp *op);
+LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to);
 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
 
@@ -353,6 +352,7 @@ void linphone_core_stop_waiting(LinphoneCore *lc);
 
 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call);
+int linphone_core_restart_invite(LinphoneCore *lc, LinphoneCall *call);
 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
@@ -739,6 +739,9 @@ typedef enum _LinphoneToneID{
 void linphone_core_play_named_tone(LinphoneCore *lc, LinphoneToneID id);
 bool_t linphone_core_tone_indications_enabled(LinphoneCore*lc);
 const char *linphone_core_create_uuid(LinphoneCore *lc);
+void linphone_configure_op(LinphoneCore *lc, SalOp *op, const LinphoneAddress *dest, SalCustomHeader *headers, bool_t with_contact);
+void linphone_call_create_op(LinphoneCall *call);
+void linphone_core_notify_info_message(LinphoneCore* lc,SalOp *op, const SalBody *body);
 
 #ifdef __cplusplus
 }
diff --git a/include/sal/sal.h b/include/sal/sal.h
index dc5976bec..c43d0c0e7 100644
--- a/include/sal/sal.h
+++ b/include/sal/sal.h
@@ -315,6 +315,13 @@ typedef struct SalAuthInfo{
 	char *ha1;
 }SalAuthInfo;
 
+typedef struct SalBody{
+	const char *type;
+	const char *subtype;
+	const void *data;
+	size_t size;
+}SalBody;
+
 typedef void (*SalOnCallReceived)(SalOp *op);
 typedef void (*SalOnCallRinging)(SalOp *op);
 typedef void (*SalOnCallAccepted)(SalOp *op);
@@ -343,6 +350,7 @@ typedef void (*SalOnNotifyPresence)(SalOp *op, SalSubscribeStatus ss, SalPresenc
 typedef void (*SalOnSubscribeReceived)(SalOp *salop, const char *from);
 typedef void (*SalOnSubscribeClosed)(SalOp *salop, const char *from);
 typedef void (*SalOnPingReply)(SalOp *salop);
+typedef void (*SalOnInfoReceived)(SalOp *salop, const SalBody *body);
 /*allows sal implementation to access auth info if available, return TRUE if found*/
 
 
@@ -376,6 +384,7 @@ typedef struct SalCallbacks{
 	SalOnSubscribeClosed subscribe_closed;
 	SalOnPingReply ping_reply;
 	SalOnAuthRequested auth_requested;
+	SalOnInfoReceived info_received;
 }SalCallbacks;
 
 
@@ -518,6 +527,9 @@ int sal_publish(SalOp *op, const char *from, const char *to, SalPresenceStatus s
 /*ping: main purpose is to obtain its own contact address behind firewalls*/
 int sal_ping(SalOp *op, const char *from, const char *to);
 
+/*info messages*/
+int sal_send_info(SalOp *op, const char *from, const char *to, const SalBody *body);
+
 
 
 #define payload_type_set_number(pt,n)		(pt)->user_data=(void*)((long)n);