diff --git a/app/conference_centers/app_languages.php b/app/conference_centers/app_languages.php
index 9aa24aba1b..c125969093 100644
--- a/app/conference_centers/app_languages.php
+++ b/app/conference_centers/app_languages.php
@@ -4,11 +4,50 @@
 		$text['title-conference-centers']['en-us'] = 'Conference Centers';
 		$text['title-conference-centers']['pt-pt'] = '';
 
+		$text['description-conference-centers']['en-us'] = 'Conference Centers are a group of conference rooms. They can be organized by cost center, geographically, or other criteria.';
+		$text['description-conference-centers']['pt-pt'] = '';
+
+		$text['title-conference-center']['en-us'] = 'Conference Center';
+		$text['title-conference-center']['pt-pt'] = '';
+
+		$text['description-conference-center']['en-us'] = 'Conference Center is used to setup one or more conference rooms with a name, extension number, a required pin number length, and a description.';
+		$text['description-conference-center']['pt-pt'] = '';
+
+		$text['label-name']['en-us'] = 'Name';
+		$text['label-name']['pt-pt'] = '';
+
+		$text['label-extension']['en-us'] = 'Extension';
+		$text['label-extension']['pt-pt'] = '';
+
+		$text['label-pin-length']['en-us'] = 'PIN Length';
+		$text['label-pin-length']['pt-pt'] = '';
+
+		$text['label-delete']['en-us'] = 'Delete';
+		$text['label-delete']['pt-pt'] = '';
+
+		$text['label-edit']['en-us'] = 'Edit';
+		$text['label-edit']['pt-pt'] = '';
+
+		$text['description-name']['en-us'] = 'Enter the conference center name.';
+		$text['description-name']['pt-pt'] = '';
+
+		$text['description-extension']['en-us'] = 'Enter the conference center extension number.';
+		$text['description-extension']['pt-pt'] = '';
+
+		$text['description-pin-length']['en-us'] = 'Enter the required PIN length.';
+		$text['description-pin-length']['pt-pt'] = '';
+
+		$text['description-enabled']['en-us'] = 'Select whether to enable or disable the conference center.';
+		$text['description-enabled']['pt-pt'] = '';
+
+		$text['description-description']['en-us'] = 'Enter the description.';
+		$text['description-description']['pt-pt'] = '';
+
 	//conference rooms
 		$text['title-conference-rooms']['en-us'] = 'Conference Rooms';
 		$text['title-conference-rooms']['pt-pt'] = '';
 
-		$text['title-conference-room']['en-us'] = 'Conference Room3';
+		$text['title-conference-room']['en-us'] = 'Conference Room';
 		$text['title-conference-room']['pt-pt'] = '';
 
 		$text['label-profile']['en-us'] = 'Profile';
@@ -51,6 +90,9 @@
 		$text['label-description']['pt-pt'] = 'Descrição';
 
 	//conference room edit
+		$text['button-rooms']['en-us'] = 'Rooms';
+		$text['button-rooms']['pt-pt'] = '';
+
 		$text['button-sessions']['en-us'] = 'Sessions';
 		$text['button-sessions']['pt-pt'] = '';
 
diff --git a/app/conference_centers/conference_center_edit.php b/app/conference_centers/conference_center_edit.php
index 1e5d5ef5e1..a72e864e2b 100644
--- a/app/conference_centers/conference_center_edit.php
+++ b/app/conference_centers/conference_center_edit.php
@@ -34,6 +34,12 @@ else {
 	exit;
 }
 
+//add multi-lingual support
+	require_once "app_languages.php";
+	foreach($text as $key => $value) {
+		$text[$key] = $value[$_SESSION['domain']['language']['code']];
+	}
+
 //action add or update
 	if (isset($_REQUEST["id"])) {
 		$action = "update";
@@ -310,110 +316,63 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "<table width='100%' border='0' cellpadding='0' cellspacing=''>\n";
 	echo "<tr class='border'>\n";
 	echo "	<td align=\"left\">\n";
-	echo "	  <br>";
+	echo "		<br>";
 
 	echo "<form method='post' name='frm' action=''>\n";
 	echo "<div align='center'>\n";
 	echo "<table width='100%'  border='0' cellpadding='6' cellspacing='0'>\n";
 	echo "<tr>\n";
-	echo "<td align='left' width='30%' nowrap='nowrap'><b>Conference Center</b></td>\n";
-	echo "<td width='70%' align='right'><input type='button' class='btn' name='' alt='back' onclick=\"window.location='conference_centers.php'\" value='Back'></td>\n";
+	echo "<td align='left' width='30%' nowrap='nowrap'><b>".$text['title-conference-center']."</b></td>\n";
+	echo "<td width='70%' align='right'>\n";
+	if (permission_exists('conferences_active_advanced_view')) {
+		echo "	<input type='button' class='btn' name='' alt='".$text['button-view']."' onclick=\"window.location='".PROJECT_PATH."/app/conferences_active/conferences_active.php'\" value='".$text['button-view']."'>\n";
+	}
+	echo "	<input type='button' class='btn' name='' alt='".$text['button-back']."' onclick=\"window.location='conference_centers.php'\" value='".$text['button-back']."'>\n";
+	echo "</td>\n";
 	echo "</tr>\n";
 	echo "<tr>\n";
 	echo "<td align='left' colspan='2'>\n";
-	echo "Conference Center is used to setup one or more conference rooms with a name, description, and optional pin number. \n";
-	echo "Click on <a href='".PROJECT_PATH."/app/conferences_active/conference_interactive.php?c=".str_replace(" ", "-", $conference_center_name)."'>Active Conference</a> \n";
-	echo "to monitor and interact with the conference room.<br /><br />\n";
+	echo "	".$text['description-conference-center']."\n";
+	echo "	<br /><br />\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
 	echo "<tr>\n";
 	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	Name:\n";
+	echo "	".$text['label-name'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "	<input class='formfld' type='text' name='conference_center_name' maxlength='255' value=\"$conference_center_name\">\n";
-	echo "<br />\n";
-	echo "Enter the conference center name.\n";
+	echo "	<br />\n";
+	echo "	".$text['description-name']."\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
 	echo "<tr>\n";
 	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	Extension:\n";
+	echo "	".$text['label-extension'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "	<input class='formfld' type='text' name='conference_center_extension' maxlength='255' value=\"$conference_center_extension\">\n";
-	echo "<br />\n";
-	echo "Enter the conference center extension number.\n";
+	echo "	<br />\n";
+	echo " ".$text['description-extension']."\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
 	echo "<tr>\n";
 	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	PIN Length:\n";
+	echo "	".$text['label-pin-length'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "	<input class='formfld' type='text' name='conference_center_pin_length' maxlength='255' value=\"$conference_center_pin_length\">\n";
-	echo "<br />\n";
-	echo "Enter the required PIN length.\n";
+	echo "	<br />\n";
+	echo "	".$text['description-pin-length']."\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
-	/*
-	if (if_group("admin") || if_group("superadmin")) {
-		if ($action == "update") {
-			echo "	<tr>";
-			echo "		<td class='vncell' valign='top'>User List:</td>";
-			echo "		<td class='vtable'>";
-
-			echo "			<table width='52%'>\n";
-			$sql = "SELECT * FROM v_conference_center_users as e, v_users as u ";
-			$sql .= "where e.user_uuid = u.user_uuid  ";
-			$sql .= "and u.user_enabled = 'true' ";
-			$sql .= "and e.domain_uuid = '".$_SESSION['domain_uuid']."' ";
-			$sql .= "and e.conference_center_uuid = '".$conference_center_uuid."' ";
-			$prep_statement = $db->prepare(check_sql($sql));
-			$prep_statement->execute();
-			$result = $prep_statement->fetchAll(PDO::FETCH_ASSOC);
-			$result_count = count($result);
-			foreach($result as $field) {
-				echo "			<tr>\n";
-				echo "				<td class='vtable'>".$field['username']."</td>\n";
-				echo "				<td>\n";
-				echo "					<a href='conference_center_edit.php?id=".$conference_center_uuid."&domain_uuid=".$_SESSION['domain_uuid']."&user_uuid=".$field['user_uuid']."&a=delete' alt='delete' onclick=\"return confirm('Do you really want to delete this?')\">$v_link_label_delete</a>\n";
-				echo "				</td>\n";
-				echo "			</tr>\n";
-			}
-			echo "			</table>\n";
-
-			echo "			<br />\n";
-			$sql = "SELECT * FROM v_users ";
-			$sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' ";
-			$sql .= "and user_enabled = 'true' ";
-			$prep_statement = $db->prepare(check_sql($sql));
-			$prep_statement->execute();
-			echo "			<select name=\"user_uuid\" class='frm'>\n";
-			echo "			<option value=\"\"></option>\n";
-			$result = $prep_statement->fetchAll(PDO::FETCH_NAMED);
-			foreach($result as $field) {
-				echo "			<option value='".$field['user_uuid']."'>".$field['username']."</option>\n";
-			}
-			echo "			</select>";
-			echo "			<input type=\"submit\" class='btn' value=\"Add\">\n";
-			unset($sql, $result);
-			echo "			<br>\n";
-			echo "			Assign the users that are can manage this conference center extension.\n";
-			echo "			<br />\n";
-			echo "		</td>";
-			echo "	</tr>";
-		}
-	}
-	*/
-
 	echo "<tr>\n";
 	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	Enabled:\n";
+	echo "	".$text['label-enabled'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "	<select class='formfld' name='conference_center_enabled'>\n";
@@ -431,19 +390,19 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		echo "	<option value='false'>false</option>\n";
 	}
 	echo "	</select>\n";
-	echo "<br />\n";
-	echo "Select whether to enable or disable the conference center.\n";
+	echo "	<br />\n";
+	echo "	".$text['description-enabled']."\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
 	echo "<tr>\n";
 	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	Description:\n";
+	echo "	".$text['label-description'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "	<input class='formfld' type='text' name='conference_center_description' maxlength='255' value=\"$conference_center_description\">\n";
-	echo "<br />\n";
-	echo "Enter the description.\n";
+	echo "	<br />\n";
+	echo "	".$text['description-description']."\n";
 	echo "</td>\n";
 	echo "</tr>\n";
 
@@ -453,7 +412,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		echo "				<input type='hidden' name='dialplan_uuid' value=\"$dialplan_uuid\">\n";
 		echo "				<input type='hidden' name='conference_center_uuid' value='$conference_center_uuid'>\n";
 	}
-	echo "				<input type='submit' name='submit' class='btn' value='Save'>\n";
+	echo "				<input type='submit' name='submit' class='btn' value='".$text['button-save']."'>\n";
 	echo "		</td>\n";
 	echo "	</tr>";
 	echo "</table>";
diff --git a/app/conference_centers/conference_centers.php b/app/conference_centers/conference_centers.php
index fda33833a4..e3aa1d8b66 100644
--- a/app/conference_centers/conference_centers.php
+++ b/app/conference_centers/conference_centers.php
@@ -39,8 +39,16 @@ else {
 		exit;
 	}
 }
-require_once "includes/header.php";
-require_once "includes/paging.php";
+
+//add multi-lingual support
+	require_once "app_languages.php";
+	foreach($text as $key => $value) {
+		$text[$key] = $value[$_SESSION['domain']['language']['code']];
+	}
+
+//additional includes
+	require_once "includes/header.php";
+	require_once "includes/paging.php";
 
 //get variables used to control the order
 	$order_by = $_GET["order_by"];
@@ -55,15 +63,17 @@ require_once "includes/paging.php";
 
 	echo "<table width='100%' border='0'>\n";
 	echo "	<tr>\n";
-	echo "<td align='left' width='30%' nowrap='nowrap'><b>Conference Centers</b></td>\n";
-	echo "<td width='70%' align='right'><input type='button' class='btn' name='' alt='Rooms' onclick=\"window.location='conference_rooms.php'\" value='Rooms'></td>\n";
+	echo "<td align='left' width='30%' nowrap='nowrap'><b>".$text['title-conference-centers']."</b></td>\n";
+	echo "<td width='70%' align='right'>\n";
+	if (permission_exists('conferences_active_advanced_view')) {
+		echo "	<input type='button' class='btn' name='' alt='".$text['button-view']."' onclick=\"window.location='".PROJECT_PATH."/app/conferences_active/conferences_active.php'\" value='".$text['button-view']."'>\n";
+	}
+	echo "	<input type='button' class='btn' name='' alt='".$text['button-rooms']."' onclick=\"window.location='conference_rooms.php'\" value='".$text['button-rooms']."'>\n";
+	echo "</td>\n";
 	echo "	</tr>\n";
 	echo "	<tr>\n";
 	echo "		<td align='left' colspan='2'>\n";
-	echo "			Conference Center are a location that can have one or more conference rooms.\n";
-	if (permission_exists('conferences_active_advanced_view')) {
-		echo "			Show <a href='".PROJECT_PATH."/app/conferences_active/conferences_active.php'>Active Conferences</a> and then select a conference to monitor and interact with it.<br /><br />\n";
-	}
+	echo "			".$text['description-conference-centers']."\n";
 	echo "		</td>\n";
 	echo "	</tr>\n";
 	echo "</table>\n";
@@ -130,11 +140,11 @@ require_once "includes/paging.php";
 	echo "<div align='center'>\n";
 	echo "<table width='100%' border='0' cellpadding='0' cellspacing='0'>\n";
 	echo "<tr>\n";
-	echo th_order_by('conference_center_name', 'Name', $order_by, $order);
-	echo th_order_by('conference_center_extension', 'Extension', $order_by, $order);
+	echo th_order_by('conference_center_name', $text['label-name'], $order_by, $order);
+	echo th_order_by('conference_center_extension', $text['label-extension'], $order_by, $order);
 	//echo th_order_by('conference_center_order', 'Order', $order_by, $order);
-	echo th_order_by('conference_center_enabled', 'Enabled', $order_by, $order);
-	echo th_order_by('conference_center_description', 'Description', $order_by, $order);
+	echo th_order_by('conference_center_enabled', $text['label-enabled'], $order_by, $order);
+	echo th_order_by('conference_center_description', $text['label-description'], $order_by, $order);
 	echo "<td align='right' width='42'>\n";
 	if (permission_exists('conference_center_add')) {
 		echo "	<a href='conference_center_edit.php' alt='add'>$v_link_label_add</a>\n";
@@ -157,10 +167,10 @@ require_once "includes/paging.php";
 			echo "	<td valign='top' class='row_stylebg' width='35%'>".$row['conference_center_description']."&nbsp;</td>\n";
 			echo "	<td valign='top' align='right'>\n";
 			if (permission_exists('conference_center_edit')) {
-				echo "		<a href='conference_center_edit.php?id=".$row['conference_center_uuid']."' alt='edit'>$v_link_label_edit</a>\n";
+				echo "		<a href='conference_center_edit.php?id=".$row['conference_center_uuid']."' alt='".$text['label-edit']."'>$v_link_label_edit</a>\n";
 			}
 			if (permission_exists('conference_center_delete')) {
-				echo "		<a href='conference_center_delete.php?id=".$row['conference_center_uuid']."' alt='delete' onclick=\"return confirm('Do you really want to delete this?')\">$v_link_label_delete</a>\n";
+				echo "		<a href='conference_center_delete.php?id=".$row['conference_center_uuid']."' alt='".$text['label-delete']."' onclick=\"return confirm('".$text['confirm-delete']."')\">$v_link_label_delete</a>\n";
 			}
 			echo "	</td>\n";
 			echo "</tr>\n";