diff --git a/includes/view/User_view.php b/includes/view/User_view.php
index db8a4f22..9326f6b2 100644
--- a/includes/view/User_view.php
+++ b/includes/view/User_view.php
@@ -235,7 +235,7 @@ function User_view_shiftentries($needed_angel_type)
 {
     $shift_info = '<br><a href="'
         . page_link_to('angeltypes', ['action' => 'view', 'angeltype_id' => $needed_angel_type['id']])
-        .'"><b>' . $needed_angel_type['name'] . '</a>:</b> ';
+        . '"><b>' . $needed_angel_type['name'] . '</a>:</b> ';
 
     $shift_entries = [];
     foreach ($needed_angel_type['users'] as $user_shift) {
@@ -457,8 +457,8 @@ function User_view(
     $auth = auth();
     $nightShiftsConfig = config('night_shifts');
     $user_name = htmlspecialchars(
-            $user_source->personalData->first_name) . ' ' . htmlspecialchars($user_source->personalData->last_name
-        );
+        $user_source->personalData->first_name
+    ) . ' ' . htmlspecialchars($user_source->personalData->last_name);
     $myshifts_table = '';
     if ($its_me || $admin_user_privilege) {
         $my_shifts = User_view_myshifts(
@@ -554,7 +554,7 @@ function User_view(
             ]),
             div('row user-info', [
                 div('col-md-2', [
-                    config('enable_dect') ?
+                    config('enable_dect') && $user_source->contact->dect ?
                         heading(
                             icon('phone')
                             . ' <a href="tel:' . $user_source->contact->dect . '">'
@@ -562,6 +562,16 @@ function User_view(
                             . '</a>'
                         )
                     : '' ,
+                    config('enable_mobile_show') && $user_source->contact->mobile ?
+                        $user_source->settings->mobile_show ?
+                            heading(
+                                icon('phone')
+                                . ' <a href="tel:' . $user_source->contact->mobile . '">'
+                                . $user_source->contact->mobile
+                                . '</a>'
+                            )
+                        : ''
+                    : '' ,
                     $auth->can('user_messages') ?
                         heading(
                             '<a href="' . page_link_to('/messages/' . $user_source->id) . '">'
@@ -587,9 +597,9 @@ function User_view(
             ) : '',
             $its_me && count($shifts) == 0
                 ? error(sprintf(
-                __('Go to the <a href="%s">shifts table</a> to sign yourself up for some shifts.'),
-                page_link_to('user_shifts')
-            ), true)
+                    __('Go to the <a href="%s">shifts table</a> to sign yourself up for some shifts.'),
+                    page_link_to('user_shifts')
+                ), true)
                 : '',
             $its_me ? ical_hint() : ''
         ]
diff --git a/resources/lang/de_DE/default.po b/resources/lang/de_DE/default.po
index 4a83a98b..53d10d21 100644
--- a/resources/lang/de_DE/default.po
+++ b/resources/lang/de_DE/default.po
@@ -2969,6 +2969,9 @@ msgstr "DECT"
 msgid "settings.profile.mobile"
 msgstr "Handy"
 
+msgid "settings.profile.mobile_show"
+msgstr "Mache meine Handynummer für andere Benutzer sichtbar."
+
 msgid "settings.profile.email"
 msgstr "E-Mail"
 
diff --git a/resources/lang/en_US/default.po b/resources/lang/en_US/default.po
index 125f203b..810c2673 100644
--- a/resources/lang/en_US/default.po
+++ b/resources/lang/en_US/default.po
@@ -241,6 +241,9 @@ msgstr "DECT"
 msgid "settings.profile.mobile"
 msgstr "Mobile"
 
+msgid "settings.profile.mobile_show"
+msgstr "Show mobile number to other users to contact me."
+
 msgid "settings.profile.email"
 msgstr "E-Mail"
 
diff --git a/resources/views/pages/settings/profile.twig b/resources/views/pages/settings/profile.twig
index 10d72044..159b998f 100644
--- a/resources/views/pages/settings/profile.twig
+++ b/resources/views/pages/settings/profile.twig
@@ -86,6 +86,13 @@
                     'text',
                     {'value': user.contact.mobile, 'max_length': 40}
                 ) }}
+                {% if config('enable_mobile_show') %}
+                    {{ f.checkbox(
+                        'mobile_show',
+                        __('settings.profile.mobile_show'),
+                        user.settings.mobile_show
+                    ) }}
+                {% endif %}
                 {{ f.input(
                     'email',
                     __('settings.profile.email'),
diff --git a/src/Controllers/SettingsController.php b/src/Controllers/SettingsController.php
index 178d83ce..3af8529a 100644
--- a/src/Controllers/SettingsController.php
+++ b/src/Controllers/SettingsController.php
@@ -85,6 +85,7 @@ class SettingsController extends BaseController
             'planned_departure_date' => 'optional|date:Y-m-d',
             'dect'                   => 'optional|length:0:40', // dect/mobile can be purely numbers. "max" would have
             'mobile'                 => 'optional|length:0:40', // checked their values, not their character length.
+            'mobile_show'            => 'optional|checked',
             'email'                  => 'required|email|max:254',
             'email_shiftinfo'        => 'optional|checked',
             'email_news'             => 'optional|checked',
@@ -120,6 +121,11 @@ class SettingsController extends BaseController
         }
 
         $user->contact->mobile = $data['mobile'];
+
+        if (config('enable_mobile_show')) {
+            $user->settings->mobile_show = $data['mobile_show'] ?: false;
+        }
+
         $user->email = $data['email'];
         $user->settings->email_shiftinfo = $data['email_shiftinfo'] ?: false;
         $user->settings->email_news = $data['email_news'] ?: false;
diff --git a/tests/Unit/Controllers/SettingsControllerTest.php b/tests/Unit/Controllers/SettingsControllerTest.php
index 87735228..8df1e8a7 100644
--- a/tests/Unit/Controllers/SettingsControllerTest.php
+++ b/tests/Unit/Controllers/SettingsControllerTest.php
@@ -61,6 +61,7 @@ class SettingsControllerTest extends TestCase
             'planned_departure_date' => '2022-01-02',
             'dect'                   => '1234',
             'mobile'                 => '0123456789',
+            'mobile_show'            => true,
             'email'                  => 'a@bc.de',
             'email_shiftinfo'        => true,
             'email_news'             => true,
@@ -82,6 +83,7 @@ class SettingsControllerTest extends TestCase
             'enable_user_name'       => true,
             'enable_planned_arrival' => true,
             'enable_dect'            => true,
+            'enable_mobile_show'     => true,
             'enable_goody'           => true,
         ]);
 
@@ -134,6 +136,7 @@ class SettingsControllerTest extends TestCase
         );
         $this->assertEquals($body['dect'], $this->user->contact->dect);
         $this->assertEquals($body['mobile'], $this->user->contact->mobile);
+        $this->assertEquals($body['mobile_show'], $this->user->settings->mobile_show);
         $this->assertEquals($body['email'], $this->user->email);
         $this->assertEquals($body['email_shiftinfo'], $this->user->settings->email_shiftinfo);
         $this->assertEquals($body['email_news'], $this->user->settings->email_news);
@@ -188,6 +191,17 @@ class SettingsControllerTest extends TestCase
         $this->assertEquals('', $this->user->contact->dect);
     }
 
+    /**
+     * @covers \Engelsystem\Controllers\SettingsController::saveProfile
+     */
+    public function testSaveProfileIgnoresMobileShowIfDisabled()
+    {
+        $this->setUpProfileTest();
+        config(['enable_mobile_show' => false]);
+        $this->controller->saveProfile($this->request);
+        $this->assertFalse($this->user->settings->mobile_show);
+    }
+
     /**
      * @covers \Engelsystem\Controllers\SettingsController::saveProfile
      */
@@ -646,7 +660,12 @@ class SettingsControllerTest extends TestCase
         $this->app->instance(Authenticator::class, $this->auth);
 
         $this->user = User::factory()
-            ->has(Settings::factory(['theme' => 1, 'language' => 'en_US', 'email_goody' => false]))
+            ->has(Settings::factory([
+                'theme' => 1,
+                'language' => 'en_US',
+                'email_goody' => false,
+                'mobile_show' => false,
+            ]))
             ->create();
 
         $this->controller = $this->app->make(SettingsController::class);