* out of dialog REFER creates a new dialout session

* fixed bug in error reply


git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@146 8eb893ce-cfd4-0310-b710-fb5ebe64c474

core/AmInterfaceHandler.cpp

@@ -278,9 +278,33 @@ void AmRequestHandler::dispatch(AmSipRequest& req)
 
 	if(req.method == "INVITE"){
 
-	    sess_cont->startSessionUAS(req);
-	}
-	else {
+		sess_cont->startSessionUAS(req);
+
+	} else if(req.method == "REFER"){
+		// Out-of-dialog REFER
+		AmSipRequest n_req;
+		n_req.method   = "INVITE";
+		n_req.dstip    = AmConfig::LocalIP;
+
+		n_req.from     = req.to;
+		n_req.from_uri = req.r_uri;
+		n_req.from_tag = AmSession::getNewId();
+		n_req.user     = req.user;
+		
+		n_req.r_uri    = uri_from_name_addr(getHeader(req.hdrs, "Refer-To"));
+		n_req.to       = getHeader(req.hdrs, "Refer-To");
+		n_req.to_tag   = "";
+  		n_req.cmd      = req.cmd; // application from REFER
+		
+		n_req.callid   = AmSession::getNewId() + "@" + AmConfig::LocalIP;
+    
+		if (AmSessionContainer::instance()->startSessionUAC(n_req) 
+			!= NULL)
+			AmSipDialog::reply_error(req,202,"Accepted");
+		else 
+			AmSipDialog::reply_error(req,500,"Not supported here");
+
+	}	else {
 	    
 	    if(!local_tag.empty() || req.method == "CANCEL"){
 		AmSipDialog::reply_error(req,481,"Call leg/Transaction does not exist");

core/AmSipDialog.cpp

@@ -302,8 +302,6 @@ int AmSipDialog::reply_error(const AmSipRequest& req, unsigned int code,
       AmSession::getNewId() + "\n";
       if(!hdrs.empty())
 	msg += hdrs;
-      else 
-	msg +=  "\n";
 
       msg += ".\n.\n\n";