diff --git a/src/mibew/js/source/chat/modules/chat.js b/src/mibew/js/source/chat/modules/chat.js
index c520a640..4181897f 100644
--- a/src/mibew/js/source/chat/modules/chat.js
+++ b/src/mibew/js/source/chat/modules/chat.js
@@ -203,6 +203,8 @@
                             "function": "update",
                             "arguments": {
                                 "return": {
+                                    'threadState': 'threadState',
+                                    'threadAgentId': 'threadAgentId',
                                     'typing': 'typing',
                                     'canPost': 'canPost'
                                 },
@@ -232,6 +234,11 @@
                     Mibew.Objects.Models.user.set({
                         canPost: args.canPost || false
                     });
+                    // Update thread fields
+                    Mibew.Objects.Models.thread.set({
+                        'agentId': args.threadAgentId,
+                        'state': args.threadState
+                    });
                 }
             )
         );
diff --git a/src/mibew/js/source/default/models/thread.js b/src/mibew/js/source/default/models/thread.js
index da542aeb..d91b42d9 100644
--- a/src/mibew/js/source/default/models/thread.js
+++ b/src/mibew/js/source/default/models/thread.js
@@ -26,7 +26,6 @@
         {
             /**
              * A list of default model values.
-             * Inherits values from Mibew.Models.User
              * @type Object
              */
             defaults: {
@@ -48,6 +47,17 @@
                  */
                 lastId: 0,
 
+                /**
+                 * ID of the user related with the chat.
+                 * @type String
+                 */
+                userId: null,
+
+                /**
+                 * ID of the agent related with the chat.
+                 */
+                agentId: null,
+
                 /**
                  * Thread's state
                  * @type Number
diff --git a/src/mibew/libs/chat.php b/src/mibew/libs/chat.php
index 71c203a6..b8709dfe 100644
--- a/src/mibew/libs/chat.php
+++ b/src/mibew/libs/chat.php
@@ -433,7 +433,9 @@ function setup_chatview(Thread $thread)
     // Set thread params
     $data['chat']['thread'] = array(
         'id' => $thread->id,
-        'token' => $thread->lastToken
+        'token' => $thread->lastToken,
+        'agentId' => $thread->agentId,
+        'userId' => $thread->userId,
     );
 
     $data['page.title'] = empty($group['vcchattitle'])
diff --git a/src/mibew/libs/classes/Mibew/RequestProcessor/ThreadProcessor.php b/src/mibew/libs/classes/Mibew/RequestProcessor/ThreadProcessor.php
index d55bfbd0..01e8d2c6 100644
--- a/src/mibew/libs/classes/Mibew/RequestProcessor/ThreadProcessor.php
+++ b/src/mibew/libs/classes/Mibew/RequestProcessor/ThreadProcessor.php
@@ -265,6 +265,10 @@ class ThreadProcessor extends ClientSideProcessor implements RouterAwareInterfac
      *      message
      *    - 'canPost': indicates if agent(user can post message all the time)
      *      can post the message
+     *    - 'threadState': current state of the thread. See Thread::STATE_*
+     *      constants for details.
+     *    - 'threadAgentId': ID of the agent that is currently related with the
+     *      thread.
      */
     protected function apiUpdate($args)
     {
@@ -310,6 +314,8 @@ class ThreadProcessor extends ClientSideProcessor implements RouterAwareInterfac
         $can_post = $args['user'] || $operator['operatorid'] == $thread->agentId;
 
         return array(
+            'threadState' => $thread->state,
+            'threadAgentId' => $thread->agentId,
             'typing' => $is_typing,
             'canPost' => $can_post,
         );
diff --git a/src/mibew/libs/classes/Mibew/RequestProcessor/UsersProcessor.php b/src/mibew/libs/classes/Mibew/RequestProcessor/UsersProcessor.php
index 099900c4..06126b16 100644
--- a/src/mibew/libs/classes/Mibew/RequestProcessor/UsersProcessor.php
+++ b/src/mibew/libs/classes/Mibew/RequestProcessor/UsersProcessor.php
@@ -319,6 +319,7 @@ class UsersProcessor extends ClientSideProcessor implements AuthenticationManage
                 'userIp' => $user_ip,
                 'remote' => $thread->remote,
                 'userAgent' => get_user_agent_version($thread->userAgent),
+                'agentId' => $thread->agentId,
                 'agentName' => $agent_name,
                 'canOpen' => $can_open,
                 'canView' => $can_view,
diff --git a/src/mibew/libs/invitation.php b/src/mibew/libs/invitation.php
index 88f3eba2..0f6296ef 100644
--- a/src/mibew/libs/invitation.php
+++ b/src/mibew/libs/invitation.php
@@ -336,6 +336,8 @@ function setup_invitation_view(Thread $thread)
     $data['invitation']['thread'] = array(
         'id' => $thread->id,
         'token' => $thread->lastToken,
+        'agentId' => $thread->agentId,
+        'userId' => $thread->userId,
     );
 
     $data['invitation']['user'] = array(