diff --git a/assets/js/components/conversations/chatWindows.js b/assets/js/components/conversations/chatWindows.js
index bf6b9219..a9de9f1d 100644
--- a/assets/js/components/conversations/chatWindows.js
+++ b/assets/js/components/conversations/chatWindows.js
@@ -75,7 +75,13 @@ ComunicWeb.components.conversations.chatWindows = {
 
 
 		//Debug
-		infosBox.boxBody.innerHTML = "<div class='direct-chat-messages'>Hello world</p>";
+		//Create messages contener
+		infosBox.messagesArea = createElem2({
+			appendTo: infosBox.boxBody,
+			type: "div",
+			class: "direct-chat-messages",
+			innerHTML: "<p>Loading, please wait...</p>",
+		});
 
 		//Add button to get conversation members
 		infosBox.membersButton = createElem("button");
@@ -221,6 +227,10 @@ ComunicWeb.components.conversations.chatWindows = {
 	 * @return {Boolean} True for a success
 	 */
 	load: function(conversationID, conversationWindow){
+
+		//Log action
+		ComunicWeb.debug.logMessage("Loading conversation " + conversationID);
+
 		//Change conversation window name (loading state)
 		this.changeName("Loading", conversationWindow);
 
@@ -265,6 +275,9 @@ ComunicWeb.components.conversations.chatWindows = {
 				//Display conversation settings pane
 				ComunicWeb.components.conversations.chatWindows.showConversationSettings(conversationInfos);
 
+				//Register the conversation in the service
+				ComunicWeb.components.conversations.service.registerConversation(conversationID);
+
 				//Make send a message button lives
 				conversationInfos.box.sendMessageForm.formRoot.onsubmit = function(){
 					
@@ -299,6 +312,16 @@ ComunicWeb.components.conversations.chatWindows = {
 		//Log action
 		ComunicWeb.debug.logMessage("Unloading a conversation: " + conversationID);
 
+		//Get informations
+		var conversationInfos = this.__conversationsCache["conversation-"+conversationID];
+		
+		//Empty messages area
+		emptyElem(conversationInfos.box.messagesArea);
+		conversationInfos.box.messagesArea.innerHTML = "<p>Reloading, please wait...</p>";
+
+		//Un-register conversation
+		ComunicWeb.components.conversations.service.unregisterConversation(conversationID);
+
 		//Remove informations if required
 		if(!keepInfos){
 			delete this.__conversationsCache["conversation-"+conversationID];
diff --git a/assets/js/components/conversations/manager.js b/assets/js/components/conversations/manager.js
index 17202a1e..ae092719 100644
--- a/assets/js/components/conversations/manager.js
+++ b/assets/js/components/conversations/manager.js
@@ -64,6 +64,9 @@ ComunicWeb.components.conversations.manager = {
 		//First, add the "open a conversation" new
 		this.addOpenConversationButton(conversationsContainerElem);
 
+		//Intializate conversation service
+		ComunicWeb.components.conversations.service.init();
+
 		//Then, open any already active conversation
 		var openedConversations = ComunicWeb.components.conversations.cachingOpened.getAll();
 		
@@ -73,9 +76,6 @@ ComunicWeb.components.conversations.manager = {
 				ComunicWeb.components.conversations.chatWindows.openConversation(openedConversations[i]);
 		}
 
-		//Intializate conversation service
-		ComunicWeb.components.conversations.service.init();		
-
 	},
 
 	/**
diff --git a/assets/js/components/conversations/service.js b/assets/js/components/conversations/service.js
index 2a483ed0..c1b55f0b 100644
--- a/assets/js/components/conversations/service.js
+++ b/assets/js/components/conversations/service.js
@@ -9,9 +9,14 @@
 ComunicWeb.components.conversations.service = {
 	
 	/**
-	 * @var {Integer} intervalID The ID of the current service interval
+	 * @var {Integer} __intervalID The ID of the current service interval
 	 */
 	__intervalID: false,
+
+	/**
+	 * @var {Object} __serviceCache The service cache
+	 */
+	__serviceCache: false,
 	
 	/**
 	 * Initializate conversation service
@@ -20,6 +25,9 @@ ComunicWeb.components.conversations.service = {
 	 */
 	init: function(){
 
+		//Make sure the cache is empty
+		this.emptyCache();
+
 		//Check if an interval already exists or not
 		if(this.__intervalID)
 			clearInterval(this.__intervalID); //Remove old interval
@@ -27,7 +35,7 @@ ComunicWeb.components.conversations.service = {
 		//Initializate interval
 		this.__intervalID = setInterval(function(){
 			ComunicWeb.components.conversations.service.call();
-		}, 1500);
+		}, 2000);
 		ComunicWeb.common.cacheManager.registerInterval(this.__intervalID);
 
 		//Success
@@ -40,6 +48,111 @@ ComunicWeb.components.conversations.service = {
 	 * @return {Boolean} True for a success
 	 */
 	call: function(){
-		console.log("Conversation service called !");
-	}
-}
\ No newline at end of file
+
+		//Check if the conversation element still exists or not
+		if(!byId("conversationsElem")){
+			ComunicWeb.debug.logMessage("Conversation Service : Couldn't locate conversation element, unregistering service !");
+			clearInterval(this.__intervalID);
+			return false;
+		}
+
+		//Perform service task
+		this.performTask();
+	},
+
+	/**
+	 * Perform service task
+	 *
+	 * @return {Boolean} True for a success
+	 */
+	performTask: function(){
+		console.log(this.__serviceCache);
+		//Prepare API request
+		var newConversations = [];
+		var conversationsToRefresh = {}
+
+		//Process each conversation
+		var i;
+		for(i in this.__serviceCache){
+
+			//Extract conversation ID
+			var processConversation = this.__serviceCache[i].conversationID;
+
+			//Check if it is new conversation
+			if(this.__serviceCache[i].last_update === 0)
+				newConversations.push(processConversation);
+			
+			//Else perform a simple update of the conversation
+			else {
+				conversationsToRefresh["conversation-"+processConversation] = {
+					last_update: this.__serviceCache[i].last_update,
+				};
+			}
+		}
+
+		//Perform a request on the interface
+
+		//Success
+		return true;
+	},
+
+	/**
+	 * Register a new conversation
+	 * 
+	 * @param {Integer} conversationID The ID of the conversation to register
+	 * @return {Boolean} True for a success
+	 */
+	registerConversation: function(conversationID){
+
+		//Create conversation object
+		if(!this.__serviceCache)
+			this.__serviceCache = {}; //Create service cache object
+		
+		//Register conversation
+		this.__serviceCache['conversation-' + conversationID] = {
+			conversationID: conversationID,
+			last_update: 0,
+		};
+
+		//Success
+		return true;
+	},
+
+	/**
+	 * Unregister a conversation
+	 * 
+	 * @param {Integer} conversationID The ID of the conversation to remove
+	 * @return {Boolean} True for a success
+	 */
+	unregisterConversation: function(conversationID){
+
+		//Log action
+		ComunicWeb.debug.logMessage("Unregistering conversation " + conversationID + " from service.");
+
+		if(this.__serviceCache){
+			if(this.__serviceCache['conversation-'+conversationID]){
+				delete this.__serviceCache['conversation-'+conversationID]; //Remove conversation
+			}
+		}
+
+		//Success
+		return true;
+	},
+
+	/**
+	 * Empty service cache (unregister all conversations)
+	 * 
+	 * @return {Boolean} True for a success
+	 */
+	emptyCache: function(){
+		if(this.__serviceCache){
+			clearObject(this.__serviceCache);
+		}
+
+		//Success
+		return true;
+	},
+}
+
+//Register service cache
+ComunicWeb.common.cacheManager.registerCacheCleaner("ComunicWeb.components.conversations.service.emptyCache");
\ No newline at end of file