diff --git a/Telegram/SourceFiles/boxes/abstract_box.cpp b/Telegram/SourceFiles/boxes/abstract_box.cpp
index 7e0587403d..db97bfe729 100644
--- a/Telegram/SourceFiles/boxes/abstract_box.cpp
+++ b/Telegram/SourceFiles/boxes/abstract_box.cpp
@@ -378,11 +378,14 @@ void AbstractBox::updateButtonsPositions() {
 		if (_leftButton) {
 			_leftButton->moveToLeft(right, top);
 		}
-		for_const (auto &button, _buttons) {
+		for (const auto &button : _buttons) {
 			button->moveToRight(right, top);
 			right += button->width() + padding.left();
 		}
 	}
+	if (_topButton) {
+		_topButton->moveToRight(0, 0);
+	}
 }
 
 QPointer<QWidget> AbstractBox::outerContainer() {
@@ -403,6 +406,7 @@ void AbstractBox::clearButtons() {
 		button.destroy();
 	}
 	_leftButton.destroy();
+	_topButton = nullptr;
 }
 
 QPointer<Ui::RoundButton> AbstractBox::addButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) {
@@ -423,6 +427,15 @@ QPointer<Ui::RoundButton> AbstractBox::addLeftButton(Fn<QString()> textFactory,
 	return result;
 }
 
+QPointer<Ui::IconButton> AbstractBox::addTopButton(const style::IconButton &st, Fn<void()> clickCallback) {
+	_topButton = base::make_unique_q<Ui::IconButton>(this, st);
+	auto result = QPointer<Ui::IconButton>(_topButton.get());
+	result->setClickedCallback(std::move(clickCallback));
+	result->show();
+	updateButtonsPositions();
+	return result;
+}
+
 void AbstractBox::setDimensions(int newWidth, int maxHeight) {
 	_maxContentHeight = maxHeight;
 
diff --git a/Telegram/SourceFiles/boxes/abstract_box.h b/Telegram/SourceFiles/boxes/abstract_box.h
index 5da8eeb8ad..45561451d0 100644
--- a/Telegram/SourceFiles/boxes/abstract_box.h
+++ b/Telegram/SourceFiles/boxes/abstract_box.h
@@ -8,10 +8,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "window/layer_widget.h"
+#include "base/unique_qptr.h"
 #include "ui/rp_widget.h"
 
 namespace style {
 struct RoundButton;
+struct IconButton;
 struct ScrollArea;
 } // namespace style
 
@@ -35,6 +37,7 @@ public:
 	virtual void clearButtons() = 0;
 	virtual QPointer<Ui::RoundButton> addButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) = 0;
 	virtual QPointer<Ui::RoundButton> addLeftButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) = 0;
+	virtual QPointer<Ui::IconButton> addTopButton(const style::IconButton &st, Fn<void()> clickCallback) = 0;
 	virtual void updateButtonsPositions() = 0;
 
 	virtual void showBox(
@@ -102,6 +105,9 @@ public:
 	}
 	QPointer<Ui::RoundButton> addButton(Fn<QString()> textFactory, Fn<void()> clickCallback);
 	QPointer<Ui::RoundButton> addLeftButton(Fn<QString()> textFactory, Fn<void()> clickCallback);
+	QPointer<Ui::IconButton> addTopButton(const style::IconButton &st, Fn<void()> clickCallback) {
+		return getDelegate()->addTopButton(st, std::move(clickCallback));
+	}
 	QPointer<Ui::RoundButton> addButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) {
 		return getDelegate()->addButton(std::move(textFactory), std::move(clickCallback), st);
 	}
@@ -251,6 +257,7 @@ public:
 	void clearButtons() override;
 	QPointer<Ui::RoundButton> addButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) override;
 	QPointer<Ui::RoundButton> addLeftButton(Fn<QString()> textFactory, Fn<void()> clickCallback, const style::RoundButton &st) override;
+	QPointer<Ui::IconButton> addTopButton(const style::IconButton &st, Fn<void()> clickCallback) override;
 	void updateButtonsPositions() override;
 	QPointer<QWidget> outerContainer() override;
 
@@ -319,6 +326,7 @@ private:
 
 	std::vector<object_ptr<Ui::RoundButton>> _buttons;
 	object_ptr<Ui::RoundButton> _leftButton = { nullptr };
+	base::unique_qptr<Ui::IconButton> _topButton = { nullptr };
 
 };
 
diff --git a/Telegram/SourceFiles/boxes/boxes.style b/Telegram/SourceFiles/boxes/boxes.style
index 7959a122b8..fa5bcf3246 100644
--- a/Telegram/SourceFiles/boxes/boxes.style
+++ b/Telegram/SourceFiles/boxes/boxes.style
@@ -896,3 +896,16 @@ createPollWarning: FlatLabel(defaultFlatLabel) {
 	}
 }
 createPollWarningPosition: point(16px, 6px);
+
+callSettingsButton: IconButton {
+	width: 50px;
+	height: boxLayerTitleHeight;
+	icon: icon {{ "menu_settings", boxTitleCloseFg }};
+	iconOver: icon {{ "menu_settings", boxTitleCloseFgOver }};
+	iconPosition: point(8px, -1px);
+	rippleAreaSize: 44px;
+	rippleAreaPosition: point(0px, 6px);
+	ripple: RippleAnimation(defaultRippleAnimation) {
+		color: windowBgOver;
+	}
+}
diff --git a/Telegram/SourceFiles/settings/settings.style b/Telegram/SourceFiles/settings/settings.style
index fe26687681..8b5dcf7cd8 100644
--- a/Telegram/SourceFiles/settings/settings.style
+++ b/Telegram/SourceFiles/settings/settings.style
@@ -60,7 +60,6 @@ settingsIconFaq: icon {{ "settings_faq", menuIconFg }};
 settingsIconStickers: icon {{ "settings_stickers", menuIconFg }};
 settingsIconEmoji: icon {{ "settings_emoji", menuIconFg }};
 settingsIconThemes: icon {{ "settings_themes", menuIconFg }};
-settingsIconCalls: icon {{ "settings_phone_number", menuIconFg }};
 
 settingsSetPhotoSkip: 7px;
 
diff --git a/Telegram/SourceFiles/settings/settings_advanced.cpp b/Telegram/SourceFiles/settings/settings_advanced.cpp
index 41d176c97e..979da5e838 100644
--- a/Telegram/SourceFiles/settings/settings_advanced.cpp
+++ b/Telegram/SourceFiles/settings/settings_advanced.cpp
@@ -436,11 +436,32 @@ void SetupPerformance(not_null<Ui::VerticalLayout*> container) {
 	}, container->lifetime());
 }
 
+void SetupSystemIntegration(
+		not_null<Ui::VerticalLayout*> container,
+		Fn<void(Type)> showOther) {
+	AddDivider(container);
+	AddSkip(container);
+	AddSubsectionTitle(container, lng_settings_system_integration);
+	AddButton(
+		container,
+		lng_settings_section_call_settings,
+		st::settingsButton
+	)->addClickHandler([=] {
+		showOther(Type::Calls);
+	});
+	SetupTray(container);
+	AddSkip(container);
+}
+
 Advanced::Advanced(QWidget *parent, UserData *self)
 : Section(parent) {
 	setupContent();
 }
 
+rpl::producer<Type> Advanced::sectionShowOther() {
+	return _showOther.events();
+}
+
 void Advanced::setupContent() {
 	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
 
@@ -473,18 +494,16 @@ void Advanced::setupContent() {
 	}
 	SetupDataStorage(content);
 	SetupAutoDownload(content);
-	if (HasTray()) {
-		addDivider();
-		AddSkip(content);
-		AddSubsectionTitle(content, lng_settings_system_integration);
-		SetupTray(content);
-		AddSkip(content);
-	}
-	addDivider();
+	SetupSystemIntegration(content, [=](Type type) {
+		_showOther.fire_copy(type);
+	});
+
+	AddDivider(content);
 	AddSkip(content);
 	AddSubsectionTitle(content, lng_settings_performance);
 	SetupPerformance(content);
 	AddSkip(content);
+
 	if (cAutoUpdate()) {
 		addUpdate();
 	}
diff --git a/Telegram/SourceFiles/settings/settings_advanced.h b/Telegram/SourceFiles/settings/settings_advanced.h
index b816e136ea..60d8c3f442 100644
--- a/Telegram/SourceFiles/settings/settings_advanced.h
+++ b/Telegram/SourceFiles/settings/settings_advanced.h
@@ -23,9 +23,13 @@ class Advanced : public Section {
 public:
 	explicit Advanced(QWidget *parent, UserData *self = nullptr);
 
+	rpl::producer<Type> sectionShowOther() override;
+
 private:
 	void setupContent();
 
+	rpl::event_stream<Type> _showOther;
+
 };
 
 } // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_main.cpp b/Telegram/SourceFiles/settings/settings_main.cpp
index 1618393b5f..a1d1874ae0 100644
--- a/Telegram/SourceFiles/settings/settings_main.cpp
+++ b/Telegram/SourceFiles/settings/settings_main.cpp
@@ -87,10 +87,6 @@ void SetupSections(
 		lng_settings_section_chat_settings,
 		Type::Chat,
 		&st::settingsIconChat);
-	addSection(
-		lng_settings_section_call_settings,
-		Type::Calls,
-		&st::settingsIconCalls);
 	addSection(
 		lng_settings_advanced,
 		Type::Advanced,
diff --git a/Telegram/SourceFiles/window/window_main_menu.cpp b/Telegram/SourceFiles/window/window_main_menu.cpp
index eb86f4d004..83a607718f 100644
--- a/Telegram/SourceFiles/window/window_main_menu.cpp
+++ b/Telegram/SourceFiles/window/window_main_menu.cpp
@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_main_menu.h"
 
 #include "window/themes/window_theme.h"
+#include "window/window_controller.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/menu.h"
@@ -16,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwindow.h"
 #include "storage/localstorage.h"
 #include "support/support_templates.h"
+#include "settings/settings_common.h"
 #include "boxes/about_box.h"
 #include "boxes/peer_list_controllers.h"
 #include "calls/calls_box_controller.h"
@@ -27,6 +29,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_window.h"
 #include "styles/style_dialogs.h"
 #include "styles/style_settings.h"
+#include "styles/style_boxes.h"
 
 namespace Window {
 namespace {
@@ -193,7 +196,14 @@ void MainMenu::refreshMenu() {
 		if (Global::PhoneCallsEnabled()) {
 			_menu->addAction(lang(lng_menu_calls), [] {
 				Ui::show(Box<PeerListBox>(std::make_unique<Calls::BoxController>(), [](not_null<PeerListBox*> box) {
-					box->addButton(langFactory(lng_close), [box] { box->closeBox(); });
+					box->addButton(langFactory(lng_close), [=] {
+						box->closeBox();
+					});
+					box->addTopButton(st::callSettingsButton, [=] {
+						App::wnd()->controller()->showSettings(
+							Settings::Type::Calls,
+							Window::SectionShow(anim::type::instant));
+					});
 				}));
 			}, &st::mainMenuCalls, &st::mainMenuCallsOver);
 		}