diff --git a/lib/GSON.jar b/lib/GSON.jar
new file mode 100644
index 0000000..9770b7d
Binary files /dev/null and b/lib/GSON.jar differ
diff --git a/nbproject/project.properties b/nbproject/project.properties
index f0bca55..2ffcd0c 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -29,6 +29,7 @@ dist.jar=${dist.dir}/MiguelBridge.jar
 dist.javadoc.dir=${dist.dir}/javadoc
 endorsed.classpath=
 excludes=
+file.reference.GSON.jar=lib\\GSON.jar
 file.reference.httpclient-4.5.5.jar=lib\\httpclient-4.5.5.jar
 file.reference.json-simple-1.1.1.jar=lib\\json-simple-1.1.1.jar
 file.reference.telegrambots-3.0-jar-with-dependencies.jar=lib\\telegrambots-3.0-jar-with-dependencies.jar
@@ -37,7 +38,8 @@ jar.compress=false
 javac.classpath=\
     ${file.reference.json-simple-1.1.1.jar}:\
     ${file.reference.telegrambots-3.0-jar-with-dependencies.jar}:\
-    ${file.reference.httpclient-4.5.5.jar}
+    ${file.reference.httpclient-4.5.5.jar}:\
+    ${file.reference.GSON.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false
diff --git a/sample_botsettings.json b/sample_botsettings.json
index fd3dfcc..ea520fd 100644
--- a/sample_botsettings.json
+++ b/sample_botsettings.json
@@ -1,14 +1,15 @@
 {
-	"matrixuser": "Matrix user name",
-	"tgtoken": "Token key given from BotFather",
-	"matrixpswd": "Matrix user password",
-	"matrixhomeserver": "https://homeserver.com/_matrix/client/r0",
-	
-	"rooms": [{
-		"tgname": "Name of the room in Telegram",
-		"matrixname": "Name of the room in Matrix",
-		"tgid": "Chat id of the room in Telegram",
-		"matrixid": "Chat id of the room in Matrix",
-		"lastmessageid": "event id of the last message sent in this room. DO NOT EDIT"
-	]}
+  "rooms": [
+    {
+      "matrixname": "Name of the room in Matrix",
+      "tgid": "Chat id of the room in Telegram",
+      "lastmessageid": "event id of the last message sent in this room. DO NOT EDIT",
+      "matrixid": "Chat id of the room in Matrix",
+      "tgname": "Name of the room in Telegram"
+    }
+  ],
+  "matrixhomeserver": "https://homeserver.com/_matrix/client/r0",
+  "tgtoken": "Token key given from BotFather",
+  "matrixuser": "Matrix user name",
+  "matrixpswd": "Matrix user password"
 }
\ No newline at end of file
diff --git a/src/com/em/miguelbridge/Launcher.java b/src/com/em/miguelbridge/Launcher.java
index c1f88eb..74ec5a7 100644
--- a/src/com/em/miguelbridge/Launcher.java
+++ b/src/com/em/miguelbridge/Launcher.java
@@ -2,6 +2,10 @@ package com.em.miguelbridge;
 
 import com.em.miguelbridge.matrixbot.MatrixBot;
 import com.em.miguelbridge.telegrambot.TGBot;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -45,7 +49,14 @@ public class Launcher {
             matrixBot.setAccessToken(matrixBot.login());
             System.out.println("Bot Matrix avviato! " + matrixBot.readBotUserName());
             
-            String roomAddress = "!mPkXwqjuGdhEVSopiG:maxwell.ydns.eu";
+            //Joina tutte le room presenti nel json del collegamento
+            JSONArray rooms = getRooms();
+            String roomid = "";
+            for (int k=0; k<rooms.size(); k++) {
+                JSONObject room = (JSONObject) rooms.get(k);
+                roomid = (String) room.get("matrixid");
+                matrixBot.joinRoom(roomid);
+            }
             
             
             String[] newMessaggio;
@@ -53,38 +64,54 @@ public class Launcher {
             
             while (true) {
                 //Main loop del bot di matrix
-                Thread.sleep(3 * 1000);
-                lastMessageId = getLastMessageId();
-                newMessaggio = (String[]) matrixBot.getLastMessage(roomAddress);
+                Thread.sleep(500);
+                rooms = getRooms();
+                for (int roomNumber=0; roomNumber<rooms.size(); roomNumber++) {
+                    JSONObject room = (JSONObject) rooms.get(roomNumber);
+                    String matrixRoomId = (String) room.get("matrixid");
+                    
+                    lastMessageId = getLastMessageId(matrixRoomId);
+                    newMessaggio = (String[]) matrixBot.getLastMessage(matrixRoomId);
 
-                if (!newMessaggio[0].equals(matrixBot.readBotUserName()) && !newMessaggio[2].equals(lastMessageId)) {
-                    tgBot.cEcho("18200812", newMessaggio[0] + " da matrix dice: " + newMessaggio[1]);
+                    if (!newMessaggio[0].equals(matrixBot.readBotUserName()) && !newMessaggio[2].equals(lastMessageId)) {
+                        String tgroomid = (String) room.get("tgid");
+                        tgBot.cEcho(tgroomid, newMessaggio[0] + ":\n" + newMessaggio[1]);
+                    }
+
+                    saveLastMessageId(newMessaggio[2], matrixRoomId);
                 }
-
-                saveLastMessageId(newMessaggio[2]);
             }
             
         } catch (Exception ex) {
-            System.err.println("Avvio caricamento bot:");
             Logger.getLogger(Launcher.class.getName()).log(Level.SEVERE, null, ex);
         }
         
         
     }
     
-    private static synchronized String getLastMessageId() throws FileNotFoundException, IOException, ParseException {
+    private static synchronized String getLastMessageId(String matrixRoomId) throws FileNotFoundException, IOException, ParseException {
         JSONParser jparser = new JSONParser();
         FileReader file;
         BufferedReader in;
         JSONObject obj;
         JSONArray rooms;
         JSONObject room;
+        int roomNumber = -1;
         
         file = new FileReader(Launcher.fileSettings);
         in = new BufferedReader(file);
         obj = (JSONObject) jparser.parse(in);
         rooms = (JSONArray) obj.get("rooms");
-        room = (JSONObject) rooms.get(0);
+        
+        for (int k=0; k<rooms.size(); k++) {
+            JSONObject thisRoom = (JSONObject) rooms.get(k);
+            String thisRoomId = (String) thisRoom.get("matrixid");
+            if (matrixRoomId.equals(thisRoomId)) {
+                roomNumber = k;
+                break;
+            }
+        }
+        room = (JSONObject) rooms.get(roomNumber);
         
         file.close();
         in.close();
@@ -92,7 +119,47 @@ public class Launcher {
         return (String) room.get("lastmessageid");
     }
     
-    private static synchronized void saveLastMessageId(String id) throws FileNotFoundException, IOException, ParseException {
+    private static synchronized void saveLastMessageId(String messageId, String matrixRoomId) throws FileNotFoundException, IOException, ParseException {
+        JSONParser jparser = new JSONParser();
+        FileReader file;
+        BufferedReader in;
+        JSONObject obj;
+        JSONArray rooms;
+        JSONObject room;
+        int roomNumber = -1;
+        
+        file = new FileReader(Launcher.fileSettings);
+        in = new BufferedReader(file);
+        obj = (JSONObject) jparser.parse(in);
+        rooms = (JSONArray) obj.get("rooms");
+        
+        for (int k=0; k<rooms.size(); k++) {
+            JSONObject thisRoom = (JSONObject) rooms.get(k);
+            String thisRoomId = (String) thisRoom.get("matrixid");
+            if (matrixRoomId.equals(thisRoomId)) {
+                roomNumber = k;
+                break;
+            }
+        }
+        
+        room = (JSONObject) rooms.get(roomNumber);
+        room.put("lastmessageid", messageId);
+        
+        Gson gson = new GsonBuilder().setPrettyPrinting().create();
+        JsonParser jp = new JsonParser();
+        JsonElement je = jp.parse(obj.toJSONString());
+        String prettyJsonString = gson.toJson(je);
+        
+        new File(fileSettings).createNewFile();
+        PrintWriter writer = new PrintWriter(fileSettings);
+        writer.print(prettyJsonString);
+        writer.close();
+        
+        file.close();
+        in.close();
+    }
+    
+    public static synchronized JSONArray getRooms() throws FileNotFoundException, IOException, ParseException {
         JSONParser jparser = new JSONParser();
         FileReader file;
         BufferedReader in;
@@ -104,15 +171,10 @@ public class Launcher {
         in = new BufferedReader(file);
         obj = (JSONObject) jparser.parse(in);
         rooms = (JSONArray) obj.get("rooms");
-        room = (JSONObject) rooms.get(0);
-        room.put("lastmessageid", id);
-        
-        new File(fileSettings).createNewFile();
-        PrintWriter writer = new PrintWriter(fileSettings);
-        writer.print(obj.toJSONString());
-        writer.close();
         
         file.close();
         in.close();
+        
+        return rooms;
     }
 }
diff --git a/src/com/em/miguelbridge/matrixbot/MatrixBot.java b/src/com/em/miguelbridge/matrixbot/MatrixBot.java
index 00aff9c..4b399ee 100644
--- a/src/com/em/miguelbridge/matrixbot/MatrixBot.java
+++ b/src/com/em/miguelbridge/matrixbot/MatrixBot.java
@@ -5,8 +5,11 @@ import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
 import java.net.URISyntaxException;
 import java.net.URLEncoder;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import org.json.simple.*;
 import org.json.simple.parser.*;
 
@@ -97,10 +100,10 @@ public class MatrixBot {
         String[][] reqParams = null;        
         String[] risposta = RequestHandler.postRequestJSON(requestUrl, reqParams);
         
-        return risposta[0] + " - " + risposta[1];
+        return risposta[0];
     }
     
-    public String sendMessage(String message, String roomAddress) throws IOException, URISyntaxException {
+    public synchronized String sendMessage(String message, String roomAddress) throws IOException, URISyntaxException {
         String requestUrl = homeUrl + String.format("/rooms/%s/send/m.room.message?access_token=%s",
                 roomAddress, accessToken);
         
@@ -114,29 +117,33 @@ public class MatrixBot {
         return risposta[0] + " - " + risposta[1];
     }
     
-    public String[] getLastMessage(String roomAddress) throws IOException, ParseException {
-        String filtro = URLEncoder.encode("{\"room\":{\"timeline\":{\"limit\":1}}}", "UTF-8");
-        String requestUrl = homeUrl +
-                String.format("/sync?filter=%s&access_token=%s",
-                filtro, accessToken);
-        
-        String[] risposta = RequestHandler.getRequest(requestUrl);
-        
-        JSONParser jsonParser = new JSONParser();
-        JSONObject obj = (JSONObject) jsonParser.parse(risposta[1]);
-        JSONObject rooms = (JSONObject) obj.get("rooms");
-        JSONObject joined = (JSONObject) rooms.get("join");
-        JSONObject thisRoom = (JSONObject) joined.get(roomAddress);
-        JSONObject timeline = (JSONObject) thisRoom.get("timeline");
-        JSONArray events = (JSONArray) timeline.get("events");
-        JSONObject last = (JSONObject) events.get(0);
-        String eventid = (String) last.get("event_id");
-        String sender = (String) last.get("sender");
-        JSONObject content = (JSONObject) last.get("content");
-        String body = (String) content.get("body");
-        
-        //Come prima stringa c'è l'id del mittente, come seconda il body del messaggio
-        String[] lastMessage = new String[] {sender, body, eventid};
-        return lastMessage;
+    public String[] getLastMessage(String roomAddress) {
+        try {
+            String filtro = URLEncoder.encode("{\"room\":{\"timeline\":{\"limit\":1}}}", "UTF-8");
+            String requestUrl = homeUrl +
+                    String.format("/sync?filter=%s&access_token=%s",
+                            filtro, accessToken);
+            
+            String[] risposta = RequestHandler.getRequest(requestUrl);
+            
+            JSONParser jsonParser = new JSONParser();
+            JSONObject obj = (JSONObject) jsonParser.parse(risposta[1]);
+            JSONObject rooms = (JSONObject) obj.get("rooms");
+            JSONObject joined = (JSONObject) rooms.get("join");
+            JSONObject thisRoom = (JSONObject) joined.get(roomAddress);
+            JSONObject timeline = (JSONObject) thisRoom.get("timeline");
+            JSONArray events = (JSONArray) timeline.get("events");
+            JSONObject last = (JSONObject) events.get(0);
+            String eventid = (String) last.get("event_id");
+            String sender = (String) last.get("sender");
+            JSONObject content = (JSONObject) last.get("content");
+            String body = (String) content.get("body");
+            
+            //Come prima stringa c'è l'id del mittente, come seconda il body del messaggio e come terzo l'id del messaggio
+            String[] lastMessage = new String[] {sender, body, eventid};
+            return lastMessage;
+        } catch (Exception ex) {
+            return new String[] {"", "", ""};
+        }
     }
 }
diff --git a/src/com/em/miguelbridge/matrixbot/OLDRequestHandler.java b/src/com/em/miguelbridge/matrixbot/OLDRequestHandler.java
deleted file mode 100644
index af091af..0000000
--- a/src/com/em/miguelbridge/matrixbot/OLDRequestHandler.java
+++ /dev/null
@@ -1,75 +0,0 @@
-package com.em.miguelbridge.matrixbot;
-
-import java.io.BufferedReader;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
-import java.net.URL;
-
-/**
- * @author Emanuele Magon
- */
-public class OLDRequestHandler {
-    public static String[] getRequest(String inURL) throws MalformedURLException, IOException {
-        String[] risposta = new String[2];
-        
-        URL url = new URL(inURL);
-        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-        connection.setRequestMethod("GET");
-        
-        int status = connection.getResponseCode();
-        BufferedReader in = new BufferedReader(
-        new InputStreamReader(connection.getInputStream()));
-        String inputLine;
-        String risp = "";
-        while ((inputLine = in.readLine()) != null) {
-            risp += inputLine;
-        }
-        in.close();
-        
-        risposta[0] = "" + status;
-        risposta[1] = risp;
-        
-        return risposta;
-    }
-    
-    public static String[] postRequest(String inURL, String[][] reqParams) throws MalformedURLException, IOException {
-        String[] risposta = new String[2];
-        
-        URL url = new URL(inURL);
-        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-        connection.setRequestMethod("POST");
-        
-        // Send post request
-        connection.setDoOutput(true);
-        String postParam = "";
-        for (String[] reqParam : reqParams) {
-            postParam += reqParam[0] + "=" + reqParam[1] + "&";
-        }
-        if (postParam.length() > 0)
-            postParam = postParam.substring(0, postParam.length()-1);
-        System.out.println(postParam);
-        
-        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
-        wr.writeBytes(postParam);
-        wr.flush();
-        wr.close();
-        
-        int status = connection.getResponseCode();
-        BufferedReader in = new BufferedReader(
-        new InputStreamReader(connection.getInputStream()));
-        String inputLine;
-        String risp = "";
-        while ((inputLine = in.readLine()) != null) {
-            risp += inputLine;
-        }
-        in.close();
-        
-        risposta[0] = "" + status;
-        risposta[1] = risp;
-        
-        return risposta;
-    }
-}
diff --git a/src/com/em/miguelbridge/telegrambot/TGBot.java b/src/com/em/miguelbridge/telegrambot/TGBot.java
index 7181be8..58c72e2 100644
--- a/src/com/em/miguelbridge/telegrambot/TGBot.java
+++ b/src/com/em/miguelbridge/telegrambot/TGBot.java
@@ -3,12 +3,15 @@ package com.em.miguelbridge.telegrambot;
 import com.em.miguelbridge.Launcher;
 import com.em.miguelbridge.matrixbot.MatrixBot;
 import java.io.BufferedReader;
+import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
 
 import org.telegram.telegrambots.api.methods.send.*;
 import org.telegram.telegrambots.api.objects.Update;
@@ -33,19 +36,30 @@ public class TGBot extends TelegramLongPollingBot {
         */        
         
         //Controllo per vedere se l'update è un messaggio testuale e che esso non sia vuoto
-        if (update.hasMessage() && update.getMessage().hasText()) {
-            //Testo e mittente
-            String testoMessaggio = update.getMessage().getText();
-            String chat_id = "" + update.getMessage().getChatId();
-            String sender = update.getMessage().getFrom().getFirstName() + " "
-                    + update.getMessage().getFrom().getLastName();
-            
-            //Per capire qual'è l'id della chat di telegram
-            //System.out.println(chat_id);
-            
-            echoToMatrix(testoMessaggio, sender);
+        if (update.hasMessage()) {
+            if (update.getMessage().getText().equalsIgnoreCase("/chatid") ||
+                    update.getMessage().getText().equalsIgnoreCase("/chatid@" + getBotUsername())) {
+                String chat_id = "" + update.getMessage().getChatId();
+                cEcho(chat_id, chat_id);
+            }
+            else {
+                //Testo e mittente
+                String testoMessaggio = update.getMessage().getText();
+                String chat_id = "" + update.getMessage().getChatId();
+                String sender = update.getMessage().getFrom().getFirstName() + " "
+                        + update.getMessage().getFrom().getLastName();
+                String destination;
+                try {
+                    destination = getDestinationRoom(chat_id);
+                    if (destination == null)
+                        throw new Exception();
+                    echoToMatrix(testoMessaggio, sender, destination);
+                } catch (Exception ex) {
+                    cEcho(chat_id, "Errore: questa chat non è collegata a matrix.");
+                }
             }
         }
+    }
 
     @Override
     public String getBotUsername() {
@@ -71,6 +85,17 @@ public class TGBot extends TelegramLongPollingBot {
         return "";
     }
     
+    private String getDestinationRoom(String sender_id) throws IOException, FileNotFoundException, ParseException {
+        //Dalla chat mittente in telegram ritorna l'id della chat di matrix relativa
+        JSONArray rooms = Launcher.getRooms();
+        for (int k=0; k<rooms.size(); k++) {
+            JSONObject room = (JSONObject) rooms.get(k);
+            String roomTgId = (String) room.get("tgid");
+            if (roomTgId.equals(sender_id))
+                return (String) room.get("matrixid");
+        }
+        return null;
+    }
     
     //----------COMANDI----------
     public void cEcho(String chat_id, String testoMessaggio){
@@ -88,10 +113,9 @@ public class TGBot extends TelegramLongPollingBot {
         }
     }
 
-    private void echoToMatrix(String testoMessaggio, String sender) {
+    private void echoToMatrix(String testoMessaggio, String sender, String destination) {
         try {
-            String roomAddress = "!mPkXwqjuGdhEVSopiG:maxwell.ydns.eu";
-            matrixBot.sendMessage(sender + " da Telegram dice: " + testoMessaggio, roomAddress);
+            matrixBot.sendMessage(sender + ":\n" + testoMessaggio, destination);
         } catch (Exception ex) {
             Logger.getLogger(TGBot.class.getName()).log(Level.SEVERE, null, ex);
         }