diff --git a/openslides/agenda/static/js/agenda/site.js b/openslides/agenda/static/js/agenda/site.js
index 49efc3f78..fa6b7d85f 100644
--- a/openslides/agenda/static/js/agenda/site.js
+++ b/openslides/agenda/static/js/agenda/site.js
@@ -442,7 +442,10 @@ angular.module('OpenSlidesApp.agenda.site', [
                             !item.speaker_list_closed &&
                             $.inArray(operator.user.id, nextUsers) == -1);
                 case 'remove':
-                    return ($.inArray(operator.user.id, nextUsers) != -1);
+                    if (operator.user) {
+                        return ($.inArray(operator.user.id, nextUsers) != -1);
+                    }
+                    return false;
                 case 'removeAll':
                     return (operator.hasPerms('agenda.can_manage') &&
                             $scope.speakers.length > 0);
diff --git a/openslides/users/config_variables.py b/openslides/users/config_variables.py
index 3d00f7895..72ea77f78 100644
--- a/openslides/users/config_variables.py
+++ b/openslides/users/config_variables.py
@@ -10,14 +10,16 @@ def get_config_variables():
     """
     # Sorting
     yield ConfigVariable(
-        name='users_sort_users_by_first_name',
-        default_value=False,
-        input_type='boolean',
-        label='Sort users by first name',
-        help_text='Disable for sorting by last name',
+        name='users_sort_by',
+        default_value='firstName',
+        input_type='choice',
+        label='Sort name of participants by',
+        choices=(
+            {'value': 'firstName', 'display_name': 'First name'},
+            {'value': 'lastName', 'display_name': 'Last name'}),
         weight=510,
         group='Participants',
-        subgroup='Sorting')
+        subgroup='General')
 
     # PDF
 
diff --git a/openslides/users/models.py b/openslides/users/models.py
index e7a8fcf03..8273b98d4 100644
--- a/openslides/users/models.py
+++ b/openslides/users/models.py
@@ -13,7 +13,6 @@ from django.db.models import Q
 
 from openslides.utils.search import user_name_helper
 
-from ..core.config import config
 from ..utils.models import RESTModelMixin
 from .access_permissions import UserAccessPermissions
 
@@ -175,38 +174,13 @@ class User(RESTModelMixin, PermissionsMixin, AbstractBaseUser):
         ordering = ('last_name', 'first_name', 'username', )
 
     def __str__(self):
-        return self.get_full_name()
-
-    def get_full_name(self):
-        """
-        Returns a long form of the name.
-
-        E. g.: * Dr. Max Mustermann (Villingen)
-               * Professor Dr. Enders, Christoph (Leipzig)
-        """
-        structure = '(%s)' % self.structure_level if self.structure_level else ''
-        return ' '.join((self.title, self.get_short_name(), structure)).strip()
-
-    def get_short_name(self, sort_by_first_name=None):
-        """
-        Returns only the name of the user.
-
-        E. g.: * Max Mustermann
-               * Enders, Christoph
-        """
         # Strip white spaces from the name parts
         first_name = self.first_name.strip()
         last_name = self.last_name.strip()
 
         # The user has a last_name and a first_name
         if first_name and last_name:
-            if sort_by_first_name is None:
-                sort_by_first_name = config['users_sort_users_by_first_name']
-            if sort_by_first_name:
-                name = ' '.join((first_name, last_name))
-            else:
-                name = ', '.join((last_name, first_name))
-
+            name = ' '.join((self.first_name, self.last_name))
         # The user has only a first_name or a last_name or no name
         else:
             name = first_name or last_name or self.username
@@ -214,6 +188,14 @@ class User(RESTModelMixin, PermissionsMixin, AbstractBaseUser):
         # Return result
         return name
 
+    # TODO: remove this function after PR#2476 is merged. (see Issue#2594)
+    def get_full_name(self):
+        return ''
+
+    # TODO: remove this function after PR#2476 is merged. (see Issue#2594)
+    def get_short_name(self):
+        return ''
+
     def get_search_index_string(self):
         """
         Returns a string that can be indexed for the search.
diff --git a/openslides/users/pdf.py b/openslides/users/pdf.py
index d3a7555d7..8bdf84042 100644
--- a/openslides/users/pdf.py
+++ b/openslides/users/pdf.py
@@ -24,10 +24,7 @@ def users_to_pdf(pdf):
     Create a list of all users as PDF.
     """
     data = [['#', _('Name'), _('Structure level'), _('Group')]]
-    if config['users_sort_users_by_first_name']:
-        sort = 'first_name'
-    else:
-        sort = 'last_name'
+    sort = 'first_name'
     counter = 0
     for user in User.objects.all().order_by(sort):
         counter += 1
@@ -73,10 +70,7 @@ def users_passwords_to_pdf(pdf):
     users_pdf_welcometitle = config["users_pdf_welcometitle"]
     users_pdf_welcometext = config["users_pdf_welcometext"]
 
-    if config['users_sort_users_by_first_name']:
-        sort = 'first_name'
-    else:
-        sort = 'last_name'
+    sort = 'first_name'
     qrcode_size = 2 * cm
     # qrcode for system url
     qrcode_url = QrCodeWidget(users_pdf_url)
diff --git a/openslides/users/static/js/users/base.js b/openslides/users/static/js/users/base.js
index d4aa56b50..6eaaba27b 100644
--- a/openslides/users/static/js/users/base.js
+++ b/openslides/users/static/js/users/base.js
@@ -69,7 +69,8 @@ angular.module('OpenSlidesApp.users', [])
     'Group',
     'jsDataModel',
     'gettext',
-    function(DS, Group, jsDataModel, gettext) {
+    'Config',
+    function(DS, Group, jsDataModel, gettext, Config) {
         var name = 'users/user';
         return DS.defineResource({
             name: name,
@@ -88,41 +89,54 @@ angular.module('OpenSlidesApp.users', [])
                 getResourceName: function () {
                     return name;
                 },
+                /*
+                 * Returns a short form of the name.
+                 *
+                 * Example:
+                 * - Dr. Max Mustermann
+                 * - Professor Dr. Enders, Christoph
+                 */
                 get_short_name: function() {
-                    // should be the same as in the python user model.
                     var title = _.trim(this.title),
                         firstName = _.trim(this.first_name),
                         lastName = _.trim(this.last_name),
                         name = '';
-
-                    if (title) {
-                        name = title + ' ';
-                    }
-                    if (firstName && lastName) {
-                        name += [firstName, lastName].join(' ');
+                    if (Config.get('users_sort_by').value == 'lastName') {
+                        if (lastName && firstName) {
+                            name += [lastName, firstName].join(', ');
+                        } else {
+                            name += lastName || firstName;
+                        }
                     } else {
-                        name += firstName || lastName || this.username;
+                        name += [firstName, lastName].join(' ');
+                    }
+                    if (title !== '') {
+                        name = title + ' ' + name;
                     }
                     return name;
                 },
+                /*
+                 * Returns a long form of the name.
+                 *
+                 * Example:
+                 * - Dr. Max Mustermann (Villingen)
+                 * - Professor Dr. Enders, Christoph (Leipzig)
+                 */
                 get_full_name: function() {
-                    // should be the same as in the python user model.
-                    var title = _.trim(this.title),
-                        firstName = _.trim(this.first_name),
-                        lastName = _.trim(this.last_name),
+                    var name = this.get_short_name(),
                         structure_level = _.trim(this.structure_level),
-                        name = '';
+                        number = _.trim(this.number),
+                        addition = [];
 
-                    if (title) {
-                        name = title + ' ';
-                    }
-                    if (firstName && lastName) {
-                        name += [firstName, lastName].join(' ');
-                    } else {
-                        name += firstName || lastName || this.username;
+                    // addition: add number and structure level
+                    if (number) {
+                        addition.push(number);
                     }
                     if (structure_level) {
-                        name += " (" + structure_level + ")";
+                        addition.push(structure_level);
+                    }
+                    if (addition.length > 0) {
+                        name += ' (' + addition.join(', ') + ')';
                     }
                     return name;
                 },
diff --git a/openslides/users/static/js/users/site.js b/openslides/users/static/js/users/site.js
index 525d356c1..22fdd0571 100644
--- a/openslides/users/static/js/users/site.js
+++ b/openslides/users/static/js/users/site.js
@@ -897,6 +897,17 @@ angular.module('OpenSlidesApp.users.site', [
                 } else {
                     user.is_active = false;
                 }
+                // is present
+                if (user.is_present) {
+                    user.is_present = user.is_present.replace(quotionRe, '$1');
+                    if (user.is_present == '1') {
+                        user.is_present = true;
+                    } else {
+                        user.is_present = false;
+                    }
+                } else {
+                    user.is_present = false;
+                }
                 // is committee
                 if (user.is_committee) {
                     user.is_committee = user.is_committee.replace(quotionRe, '$1');
@@ -1016,12 +1027,12 @@ angular.module('OpenSlidesApp.users.site', [
             var element = document.getElementById('downloadLink');
             var csvRows = [
                 // column header line
-                ['title', 'first_name', 'last_name', 'structure_level', 'number', 'groups', 'comment', 'is_active', 'is_committee'],
+                ['title', 'first_name', 'last_name', 'structure_level', 'number', 'groups', 'comment', 'is_active', 'is_present', 'is_committee'],
                 // example entries
-                ['Dr.', 'Max', 'Mustermann', 'Berlin','1234567890', '"3,4"', 'xyz', '1', ''],
-                ['', 'John', 'Doe', 'Washington','75/99/8-2', '3', 'abc', '1', ''],
-                ['', 'Fred', 'Bloggs', 'London', '', '', '', '', ''],
-                ['', '', 'Executive Board', '', '', '5', '', '', '1'],
+                ['Dr.', 'Max', 'Mustermann', 'Berlin','1234567890', '"3,4"', 'xyz', '1', '1', ''],
+                ['', 'John', 'Doe', 'Washington','75/99/8-2', '3', 'abc', '1', '1', ''],
+                ['', 'Fred', 'Bloggs', 'London', '', '', '', '', '', ''],
+                ['', '', 'Executive Board', '', '', '5', '', '', '', '1'],
 
             ];
             var csvString = csvRows.join("%0A");
@@ -1373,14 +1384,15 @@ angular.module('OpenSlidesApp.users.site', [
         gettext('Can manage users');
 
         // config strings in users/config_variables.py
-        gettext('[Place for your welcome and help text.]');
-        gettext('Sort users by first name');
-        gettext('Disable for sorting by last name');
+        gettext('General');
+        gettext('Sort name of participants by');
         gettext('Participants');
-        gettext('Sorting');
+        gettext('First name');
+        gettext('Last name');
+        gettext('PDF');
         gettext('Welcome to OpenSlides');
         gettext('Title for access data and welcome PDF');
-        gettext('PDF');
+        gettext('[Place for your welcome and help text.]');
         gettext('Help text for access data and welcome PDF');
         gettext('System URL');
         gettext('Used for QRCode in PDF of access data.');
diff --git a/openslides/users/static/templates/users/user-import.html b/openslides/users/static/templates/users/user-import.html
index c5b0e8f4d..dda506e74 100644
--- a/openslides/users/static/templates/users/user-import.html
+++ b/openslides/users/static/templates/users/user-import.html
@@ -68,7 +68,7 @@
   <h4 translate>Please note:</h4>
   <ul class="indentation">
       <li><translate>Required comma or semicolon separated values with these column header names in the first row</translate>:<br>
-          <code>title, first_name, last_name, structure_level, number, groups, comment, is_active, is_committee</code>
+          <code>title, first_name, last_name, structure_level, number, groups, comment, is_active, is_present, is_committee</code>
       <li><translate>Default groups</translate>:
           <translate>Delegates</translate> <code>2</code>,
           <translate>Staff</translate> <code>3</code>
@@ -94,6 +94,7 @@
           <th translate>Groups
           <th translate>Comment
           <th translate>Is active
+          <th translate>Is present
           <th translate>Is committee</th>
           <th ng-if="duplicates > 0">
             <i class="fa fa-exclamation-triangle text-danger"></i>
@@ -155,6 +156,9 @@
           <td>
             <i class="fa pointer" ng-class="user.is_active ? 'fa-check-square-o' : 'fa-square-o'"
               ng-click="user.is_active = !user.is_active"></i>
+          <td>
+            <i class="fa pointer" ng-class="user.is_present ? 'fa-check-square-o' : 'fa-square-o'"
+              ng-click="user.is_present = !user.is_present"></i>
           <td>
             <i class="fa pointer" ng-class="user.is_committee ? 'fa-check-square-o' : 'fa-square-o'"
               ng-click="user.is_committee = !user.is_committee"></i>
diff --git a/openslides/utils/search.py b/openslides/utils/search.py
index 2de9fa655..9d1156d1b 100644
--- a/openslides/utils/search.py
+++ b/openslides/utils/search.py
@@ -97,10 +97,9 @@ def user_name_helper(users):
     then the str(users) is returned.
     """
     if isinstance(users, list) or isinstance(users, QuerySet):
-        user_string = " ".join(
-            user.get_short_name(sort_by_first_name=True) for user in users)
+        user_string = " ".join(str(user) for user in users)
     elif isinstance(users, get_user_model()):
-        user_string = users.get_short_name(sort_by_first_name=True)
+        user_string = str(users)
     else:
         user_string = str(users)
     return user_string
diff --git a/tests/unit/users/test_models.py b/tests/unit/users/test_models.py
index 5a4bbc23a..adc46ba6b 100644
--- a/tests/unit/users/test_models.py
+++ b/tests/unit/users/test_models.py
@@ -1,175 +1,7 @@
 from unittest import TestCase
 from unittest.mock import MagicMock, call, patch
 
-from openslides.users.models import User, UserManager
-
-
-class UserTest(TestCase):
-    def test_str(self):
-        """
-        Tests, that the str representaion of a User object returns the same as
-        User.get_full_name().
-        """
-        user = User()
-        user.get_full_name = MagicMock(return_value='Test Value IJee1yoet1ooGhesh5li')
-
-        self.assertEqual(
-            str(user),
-            'Test Value IJee1yoet1ooGhesh5li',
-            "The str representation of User is not user.get_full_name().")
-
-
-class UserGetFullName(TestCase):
-    def test_get_full_name_with_structure_level_and_title(self):
-        """
-        Tests that get_full_name returns the write string.
-        """
-        user = User()
-        user.title = 'test_title'
-        user.structure_level = 'test_structure_level'
-        user.get_short_name = MagicMock(return_value='test_short_name')
-
-        self.assertEqual(
-            user.get_full_name(),
-            'test_title test_short_name (test_structure_level)',
-            "User.get_full_name() returns wrong string when it has a "
-            "structure_level and title.")
-
-    def test_get_full_name_without_structure_level_and_with_title(self):
-        """
-        Tests that get_full_name returns the write string.
-        """
-        user = User()
-        user.title = 'test_title'
-        user.structure_level = ''
-        user.get_short_name = MagicMock(return_value='test_short_name')
-
-        self.assertEqual(
-            user.get_full_name(),
-            'test_title test_short_name',
-            "User.get_full_name() returns wrong string when it has no "
-            "structure_level but a title.")
-
-    def test_get_full_name_without_structure_level_and_without_title(self):
-        """
-        Tests that get_full_name returns the write string.
-        """
-        user = User()
-        user.title = ''
-        user.structure_level = ''
-        user.get_short_name = MagicMock(return_value='test_short_name')
-
-        self.assertEqual(
-            user.get_full_name(),
-            'test_short_name',
-            "User.get_full_name() returns wrong string when it has no "
-            "structure_level and no title.")
-
-
-class UserGetShortName(TestCase):
-    def test_get_short_name_sort_first_name_only_first_name(self):
-        """
-        Tests the output of get_short_name.
-        """
-        user = User()
-        user.first_name = 'test_first_name'
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = True
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_first_name',
-            "User.get_short_name() returns wrong string when it has only a "
-            "first_name and is sorted by first_name.")
-
-    def test_get_short_name_sort_first_name_both_names(self):
-        """
-        Tests the output of get_short_name.
-        """
-        user = User()
-        user.first_name = 'test_first_name'
-        user.last_name = 'test_last_name'
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = True
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_first_name test_last_name',
-            "User.get_short_name() returns wrong string when it has a fist_name "
-            "and a last_name and is sorted by first_name.")
-
-    def test_get_short_name_sort_last_name_only_first_name(self):
-        """
-        Tests the output of get_short_name.
-        """
-        user = User()
-        user.first_name = 'test_first_name'
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = False
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_first_name',
-            "User.get_short_name() returns wrong string when it has only a "
-            "first_name and is sorted by last_name.")
-
-    def test_get_short_name_sort_last_name_both_names(self):
-        """
-        Tests the output of get_short_name.
-        """
-        user = User()
-        user.first_name = 'test_first_name'
-        user.last_name = 'test_last_name'
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = False
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_last_name, test_first_name',
-            "User.get_short_name() returns wrong string when it has a fist_name "
-            "and a last_name and is sorted by last_name.")
-
-    def test_get_short_name_no_names(self):
-        """
-        Tests the output of get_short_name.
-        """
-        user = User(username='test_username')
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = False
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_username',
-            "User.get_short_name() returns wrong string when it has no fist_name "
-            "and no last_name and is sorted by last_name.")
-
-    def test_while_spaces_in_name_parts(self):
-        """
-        Tests the output if the name parts have white spaces at the begin or
-        end.
-        """
-        user = User()
-        user.first_name = ' test_first_name\n '
-        user.last_name = ' test_last_name \n'
-
-        with patch('openslides.users.models.config') as mock_config:
-            mock_config.__getitem__.return_value = True
-            short_name = user.get_short_name()
-
-        self.assertEqual(
-            short_name,
-            'test_first_name test_last_name',
-            "User.get_short_name() has to strip whitespaces from the name parts.")
+from openslides.users.models import UserManager
 
 
 class UserManagerTest(TestCase):