diff --git a/Telegram/Resources/default_kotato-settings-custom.json b/Telegram/Resources/default_kotato-settings-custom.json
index f1a1365c4..5bb962664 100644
--- a/Telegram/Resources/default_kotato-settings-custom.json
+++ b/Telegram/Resources/default_kotato-settings-custom.json
@@ -14,5 +14,6 @@
     // "show_chat_id": false,
     // "net_speed_boost": null,
     // "show_phone_in_drawer": true,
-    // "scales": []
+    // "scales": [],
+    // "confirm_before_calls": false
 }
diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index 1ab7d1716..e24b97df6 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -2354,6 +2354,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "ktg_settings_show_phone_number" = "Show phone in drawer";
 
+"ktg_settings_call_confirm" = "Confirm before calling";
+"ktg_call_sure" = "Are you sure you want to call this user?";
+"ktg_call_button" = "Call";
+
 "ktg_user_status_unaccessible" = "account inaccessible";
 
 "ktg_chat_status_subscribers#one" = "{count} subscriber";
diff --git a/Telegram/Resources/langs/rewrites/ru.json b/Telegram/Resources/langs/rewrites/ru.json
index 2b91b3695..9ff12d8a4 100644
--- a/Telegram/Resources/langs/rewrites/ru.json
+++ b/Telegram/Resources/langs/rewrites/ru.json
@@ -81,5 +81,8 @@
 	"ktg_profile_supergroup_id": "ID супергруппы",
 	"ktg_profile_channel_id": "ID канала",
 	"ktg_settings_show_phone_number": "Показывать телефон в боковом меню",
+	"ktg_settings_call_confirm": "Подтверждение перед звонком",
+	"ktg_call_sure": "Вы уверены, что хотите позвонить этому пользователю?",
+	"ktg_call_button": "Позвонить",
 	"ktg_settings_adaptive_bubbles": "Адаптивные пузырьки сообщений"
 }
diff --git a/Telegram/SourceFiles/calls/calls_box_controller.cpp b/Telegram/SourceFiles/calls/calls_box_controller.cpp
index 7b2000892..22eceb6ab 100644
--- a/Telegram/SourceFiles/calls/calls_box_controller.cpp
+++ b/Telegram/SourceFiles/calls/calls_box_controller.cpp
@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_box_controller.h"
 
+#include "boxes/confirm_box.h"
 #include "styles/style_calls.h"
 #include "styles/style_boxes.h"
 #include "lang/lang_keys.h"
@@ -314,7 +315,14 @@ void BoxController::rowActionClicked(not_null<PeerListRow*> row) {
 	auto user = row->peer()->asUser();
 	Assert(user != nullptr);
 
-	user->session().calls().startOutgoingCall(user);
+	if (cConfirmBeforeCall()) {
+		Ui::show(Box<ConfirmBox>(tr::ktg_call_sure(tr::now), tr::ktg_call_button(tr::now), [=] {
+			Ui::hideLayer();
+			user->session().calls().startOutgoingCall(user);
+		}));
+	} else {
+		user->session().calls().startOutgoingCall(user);
+	}
 }
 
 void BoxController::receivedCalls(const QVector<MTPMessage> &result) {
diff --git a/Telegram/SourceFiles/core/kotato_settings.cpp b/Telegram/SourceFiles/core/kotato_settings.cpp
index 53dc93c11..ef185e5e3 100644
--- a/Telegram/SourceFiles/core/kotato_settings.cpp
+++ b/Telegram/SourceFiles/core/kotato_settings.cpp
@@ -258,6 +258,11 @@ bool Manager::readCustomFile() {
 		}
 
 	}
+
+	const auto settingsCallConfirmIt = settings.constFind(qsl("confirm_before_calls"));
+	if (settingsCallConfirmIt != settings.constEnd() && (*settingsCallConfirmIt).isBool()) {
+		cSetConfirmBeforeCall((*settingsCallConfirmIt).toBool());
+	}
 	return true;
 }
 
@@ -295,6 +300,7 @@ void Manager::writeDefaultFile() {
 	settings.insert(qsl("show_phone_in_drawer"), cShowPhoneInDrawer());
 	settings.insert(qsl("chat_list_lines"), DialogListLines());
 	settings.insert(qsl("disable_up_edit"), cDisableUpEdit());
+	settings.insert(qsl("confirm_before_calls"), cConfirmBeforeCall());
 
 	auto settingsScales = QJsonArray();
 	settings.insert(qsl("scales"), settingsScales);
@@ -353,6 +359,7 @@ void Manager::writeCurrentSettings() {
 	settings.insert(qsl("show_phone_in_drawer"), cShowPhoneInDrawer());
 	settings.insert(qsl("chat_list_lines"), DialogListLines());
 	settings.insert(qsl("disable_up_edit"), cDisableUpEdit());
+	settings.insert(qsl("confirm_before_calls"), cConfirmBeforeCall());
 
 	auto settingsScales = QJsonArray();
 	auto currentScales = cInterfaceScales();
diff --git a/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp b/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
index ef0951d8e..0ca90dc9c 100644
--- a/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
@@ -189,7 +189,14 @@ void TopBarWidget::onSearch() {
 void TopBarWidget::onCall() {
 	if (const auto peer = _activeChat.peer()) {
 		if (const auto user = peer->asUser()) {
-			user->session().calls().startOutgoingCall(user);
+			if (cConfirmBeforeCall()) {
+				Ui::show(Box<ConfirmBox>(tr::ktg_call_sure(tr::now), tr::ktg_call_button(tr::now), [=] {
+					Ui::hideLayer();
+					user->session().calls().startOutgoingCall(user);
+				}));
+			} else {
+				user->session().calls().startOutgoingCall(user);
+			}
 		}
 	}
 }
diff --git a/Telegram/SourceFiles/history/view/media/history_view_call.cpp b/Telegram/SourceFiles/history/view/media/history_view_call.cpp
index 1d534f7e9..487c08ffc 100644
--- a/Telegram/SourceFiles/history/view/media/history_view_call.cpp
+++ b/Telegram/SourceFiles/history/view/media/history_view_call.cpp
@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "history/view/media/history_view_call.h"
 
+#include "boxes/confirm_box.h"
 #include "lang/lang_keys.h"
 #include "layout.h"
 #include "history/history.h"
@@ -50,7 +51,14 @@ QSize Call::countOptimalSize() {
 	const auto user = _parent->data()->history()->peer->asUser();
 	_link = std::make_shared<LambdaClickHandler>([=] {
 		if (user) {
-			user->session().calls().startOutgoingCall(user);
+			if (cConfirmBeforeCall()) {
+				Ui::show(Box<ConfirmBox>(tr::ktg_call_sure(tr::now), tr::ktg_call_button(tr::now), [=] {
+					Ui::hideLayer();
+					user->session().calls().startOutgoingCall(user);
+				}));
+			} else {
+				user->session().calls().startOutgoingCall(user);
+			}
 		}
 	});
 
diff --git a/Telegram/SourceFiles/info/info_wrap_widget.cpp b/Telegram/SourceFiles/info/info_wrap_widget.cpp
index 0e50252db..e1f53ce41 100644
--- a/Telegram/SourceFiles/info/info_wrap_widget.cpp
+++ b/Telegram/SourceFiles/info/info_wrap_widget.cpp
@@ -497,7 +497,14 @@ void WrapWidget::addProfileCallsButton() {
 					? st::infoLayerTopBarCall
 					: st::infoTopBarCall))
 		)->addClickHandler([=] {
-			user->session().calls().startOutgoingCall(user);
+			if (cConfirmBeforeCall()) {
+				Ui::show(Box<ConfirmBox>(tr::ktg_call_sure(tr::now), tr::ktg_call_button(tr::now), [=] {
+					Ui::hideLayer();
+					user->session().calls().startOutgoingCall(user);
+				}));
+			} else {
+				user->session().calls().startOutgoingCall(user);
+			}
 		});
 	}, _topBar->lifetime());
 
diff --git a/Telegram/SourceFiles/settings.cpp b/Telegram/SourceFiles/settings.cpp
index 01f7f1bb0..3848db5a2 100644
--- a/Telegram/SourceFiles/settings.cpp
+++ b/Telegram/SourceFiles/settings.cpp
@@ -295,3 +295,5 @@ bool AddCustomReplace(QString from, QString to) {
 	gCustomReplaces.insert(from, to);
 	return true;
 }
+
+bool gConfirmBeforeCall = false;
diff --git a/Telegram/SourceFiles/settings.h b/Telegram/SourceFiles/settings.h
index f559a8f0e..e5b2bda4e 100644
--- a/Telegram/SourceFiles/settings.h
+++ b/Telegram/SourceFiles/settings.h
@@ -236,3 +236,4 @@ DeclareSetting(bool, DisableUpEdit);
 using CustomReplacementsMap = QMap<QString, QString>;
 DeclareRefSetting(CustomReplacementsMap, CustomReplaces);
 bool AddCustomReplace(QString from, QString to);
+DeclareSetting(bool, ConfirmBeforeCall);
diff --git a/Telegram/SourceFiles/settings/settings_kotato.cpp b/Telegram/SourceFiles/settings/settings_kotato.cpp
index e544818a4..b15206cff 100644
--- a/Telegram/SourceFiles/settings/settings_kotato.cpp
+++ b/Telegram/SourceFiles/settings/settings_kotato.cpp
@@ -188,6 +188,20 @@ void SetupKotatoOther(not_null<Ui::VerticalLayout*> container) {
 		KotatoSettings::Write();
 	}, container->lifetime());
 
+	AddButton(
+		container,
+		tr::ktg_settings_call_confirm(),
+		st::settingsButton
+	)->toggleOn(
+		rpl::single(cConfirmBeforeCall())
+	)->toggledValue(
+	) | rpl::filter([](bool enabled) {
+		return (enabled != cConfirmBeforeCall());
+	}) | rpl::start_with_next([](bool enabled) {
+		cSetConfirmBeforeCall(enabled);
+		KotatoSettings::Write();
+	}, container->lifetime());
+
 	AddSkip(container);
 }