diff --git a/include/class.user.php b/include/class.user.php
index 2d837dad0cf22c7039631027267cb42e6f485126..0998f2348c1c6b8bc4c72b2165d50949e946dabe 100644
--- a/include/class.user.php
+++ b/include/class.user.php
@@ -129,7 +129,8 @@ class User extends UserModel {
         $info = array(
                 'id'  => $this->getId(),
                 'name' => (string) $this->getName(),
-                'email' => (string) $this->getEmail());
+                'email' => (string) $this->getEmail(),
+                'phone' => (string) $this->getPhoneNumber());
 
         return JsonDataEncoder::encode($info);
     }
diff --git a/include/staff/ticket-view.inc.php b/include/staff/ticket-view.inc.php
index 9bc7823ab84d425b00da5dbebfa51dd25d52dfc7..cabc6a7cedf6f0347272958599dcecd51d700618 100644
--- a/include/staff/ticket-view.inc.php
+++ b/include/staff/ticket-view.inc.php
@@ -153,6 +153,7 @@ if($ticket->isOverdue())
                                     function (user) {
                                         $('#user-'+user.id+'-name').text(user.name);
                                         $('#user-'+user.id+'-email').text(user.email);
+                                        $('#user-'+user.id+'-phone').text(user.phone);
                                         $('#user-to-name').text(user.name);
                                         $('#user-to-email').text(user.email);
                                     });
@@ -191,7 +192,9 @@ if($ticket->isOverdue())
                 </tr>
                 <tr>
                     <th>Phone:</th>
-                    <td><?php echo $ticket->getPhoneNumber(); ?></td>
+                    <td>
+                        <span id="user-<?php echo $ticket->getOwnerId(); ?>-phone"><?php echo $ticket->getPhoneNumber(); ?></span>
+                    </td>
                 </tr>
                 <tr>
                     <th>Source:</th>