diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 9bf3120f0..48270c432 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -566,13 +566,14 @@ basicGroupFullInfo photo:chatPhoto description:string creator_user_id:int32 memb
 //@member_count Number of members in the supergroup or channel; 0 if unknown. Currently it is guaranteed to be known only if the supergroup or channel was received through searchPublicChats, searchChatsNearby, getInactiveSupergroupChats, getSuitableDiscussionChats, getGroupsInCommon, or getUserPrivacySettingRules
 //@has_linked_chat True, if the channel has a discussion group, or the supergroup is the designated discussion group for a channel
 //@has_location True, if the supergroup is connected to a location, i.e. the supergroup is a location-based supergroup
+//@has_active_call True, if the supergroup has active group call
 //@sign_messages True, if messages sent to the channel should contain information about the sender. This field is only applicable to channels
 //@is_slow_mode_enabled True, if the slow mode is enabled in the supergroup
 //@is_channel True, if the supergroup is a channel
 //@is_verified True, if the supergroup or channel is verified
 //@restriction_reason If non-empty, contains a human-readable description of the reason why access to this supergroup or channel must be restricted
 //@is_scam True, if many users reported this supergroup as a scam
-supergroup id:int32 username:string date:int32 status:ChatMemberStatus member_count:int32 has_linked_chat:Bool has_location:Bool sign_messages:Bool is_slow_mode_enabled:Bool is_channel:Bool is_verified:Bool restriction_reason:string is_scam:Bool = Supergroup;
+supergroup id:int32 username:string date:int32 status:ChatMemberStatus member_count:int32 has_linked_chat:Bool has_location:Bool has_active_call:Bool sign_messages:Bool is_slow_mode_enabled:Bool is_channel:Bool is_verified:Bool restriction_reason:string is_scam:Bool = Supergroup;
 
 //@description Contains full information about a supergroup or channel
 //@photo Chat photo; may be null
@@ -1627,8 +1628,8 @@ messageInvoice title:string description:string photo:photo currency:string total
 //@description A message with information about an ended call @is_video True, if the call was a video call @discard_reason Reason why the call was discarded @duration Call duration, in seconds
 messageCall is_video:Bool discard_reason:CallDiscardReason duration:int32 = MessageContent;
 
-//@description A message with information about a group call @group_call_id Group call identifier
-messageGroupCall group_call_id:string = MessageContent;
+//@description A message with information about a group call @group_call_id Group call identifier @duration Call duration; for finished calls only
+messageGroupCall group_call_id:string duration:int32 = MessageContent;
 
 //@description A message with information about an invite to a group call @group_call_id Group call identifier @user_id Invited user identifier
 messageInviteToGroupCall group_call_id:string user_id:int32 = MessageContent;
@@ -2057,6 +2058,10 @@ callStateDiscarded reason:CallDiscardReason need_rating:Bool need_debug_informat
 callStateError error:error = CallState;
 
 
+//@description Describes a group call @id Group call identifier @is_active True, if the call is active @member_count Number of members in the group call @duration Call duration; for ended calls only
+groupCall id:string is_active:Bool member_count:int32 duration:int32 = GroupCall;
+
+
 //@class CallProblem @description Describes the exact type of a problem with a call
 
 //@description The user heard their own voice
@@ -3334,6 +3339,9 @@ updateFileGenerationStop generation_id:int64 = Update;
 //@description New call was created or information about a call was updated @call New data about a call
 updateCall call:call = Update;
 
+//@description Information about a group call was updated @group_call New data about the call
+updateGroupCall group_call:groupCall = Update;
+
 //@description New call signaling data arrived @call_id The call identifier @data The data
 updateNewCallSignalingData call_id:int32 data:bytes = Update;
 
diff --git a/td/generate/scheme/td_api.tlo b/td/generate/scheme/td_api.tlo
index 6c3fc23bb..d2a084221 100644
Binary files a/td/generate/scheme/td_api.tlo and b/td/generate/scheme/td_api.tlo differ
diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index e0693423d..ced796ecd 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -3559,6 +3559,7 @@ void ContactsManager::Channel::store(StorerT &storer) const {
   STORE_FLAG(has_location);
   STORE_FLAG(is_slow_mode_enabled);
   STORE_FLAG(has_restriction_reasons);
+  STORE_FLAG(has_active_group_call);
   END_STORE_FLAGS();
 
   store(status, storer);
@@ -3624,6 +3625,7 @@ void ContactsManager::Channel::parse(ParserT &parser) {
   PARSE_FLAG(has_location);
   PARSE_FLAG(is_slow_mode_enabled);
   PARSE_FLAG(has_restriction_reasons);
+  PARSE_FLAG(has_active_group_call);
   END_PARSE_FLAGS();
 
   if (use_new_rights) {
@@ -3691,6 +3693,7 @@ void ContactsManager::ChannelFull::store(StorerT &storer) const {
   bool is_slow_mode_delay_active = slow_mode_next_send_date != 0;
   bool has_stats_dc_id = stats_dc_id.is_exact();
   bool has_photo = !photo.is_empty();
+  bool has_active_group_call_id = active_group_call_id.is_valid();
   BEGIN_STORE_FLAGS();
   STORE_FLAG(has_description);
   STORE_FLAG(has_administrator_count);
@@ -3715,6 +3718,7 @@ void ContactsManager::ChannelFull::store(StorerT &storer) const {
   STORE_FLAG(has_photo);
   STORE_FLAG(is_can_view_statistics_inited);
   STORE_FLAG(can_view_statistics);
+  STORE_FLAG(has_active_group_call_id);
   END_STORE_FLAGS();
   if (has_description) {
     store(description, storer);
@@ -3763,6 +3767,9 @@ void ContactsManager::ChannelFull::store(StorerT &storer) const {
   if (has_photo) {
     store(photo, storer);
   }
+  if (has_active_group_call_id) {
+    store(active_group_call_id, storer);
+  }
 }
 
 template <class ParserT>
@@ -3784,6 +3791,7 @@ void ContactsManager::ChannelFull::parse(ParserT &parser) {
   bool is_slow_mode_delay_active;
   bool has_stats_dc_id;
   bool has_photo;
+  bool has_active_group_call_id;
   BEGIN_PARSE_FLAGS();
   PARSE_FLAG(has_description);
   PARSE_FLAG(has_administrator_count);
@@ -3808,6 +3816,7 @@ void ContactsManager::ChannelFull::parse(ParserT &parser) {
   PARSE_FLAG(has_photo);
   PARSE_FLAG(is_can_view_statistics_inited);
   PARSE_FLAG(can_view_statistics);
+  PARSE_FLAG(has_active_group_call_id);
   END_PARSE_FLAGS();
   if (has_description) {
     parse(description, parser);
@@ -3856,6 +3865,9 @@ void ContactsManager::ChannelFull::parse(ParserT &parser) {
   if (has_photo) {
     parse(photo, parser);
   }
+  if (has_active_group_call_id) {
+    parse(active_group_call_id, parser);
+  }
 
   if (legacy_can_view_statistics) {
     LOG(DEBUG) << "Ignore legacy can view statistics flag";
@@ -9532,6 +9544,10 @@ void ContactsManager::on_get_chat_full(tl_object_ptr<telegram_api::ChatFull> &&c
       LOG(ERROR) << "Receive can_view_statistics == true, but invalid statistics DC ID in " << channel_id;
       can_view_statistics = false;
     }
+    InputGroupCallId group_call_id;
+    if (channel_full->call_ != nullptr) {
+      group_call_id = InputGroupCallId(channel_full->call_);
+    }
 
     channel->repair_request_version = 0;
     channel->expires_at = Time::now() + CHANNEL_FULL_EXPIRE_TIME;
@@ -9568,6 +9584,17 @@ void ContactsManager::on_get_chat_full(tl_object_ptr<telegram_api::ChatFull> &&c
       channel->need_save_to_database = true;
     }
 
+    if (channel->active_group_call_id != group_call_id) {
+      channel->active_group_call_id = group_call_id;
+      bool has_active_group_call = group_call_id.is_valid();
+      if (c->has_active_group_call != has_active_group_call) {
+        LOG(ERROR) << "Receive invalid has_active_group_call flag " << c->has_active_group_call;
+        c->has_active_group_call = has_active_group_call;
+        c->is_changed = true;
+        update_channel(c, channel_id);
+      }
+    }
+
     on_update_channel_full_photo(
         channel, channel_id,
         get_photo(td_->file_manager_.get(), std::move(channel_full->chat_photo_), DialogId(channel_id)));
@@ -13822,6 +13849,7 @@ void ContactsManager::on_chat_update(telegram_api::channel &channel, const char
 
   bool has_linked_channel = (channel.flags_ & CHANNEL_FLAG_HAS_LINKED_CHAT) != 0;
   bool has_location = (channel.flags_ & CHANNEL_FLAG_HAS_LOCATION) != 0;
+  bool has_active_group_call = (channel.flags_ & CHANNEL_FLAG_HAS_ACTIVE_GROUP_CALL) != 0;
   bool sign_messages = (channel.flags_ & CHANNEL_FLAG_SIGN_MESSAGES) != 0;
   bool is_slow_mode_enabled = (channel.flags_ & CHANNEL_FLAG_IS_SLOW_MODE_ENABLED) != 0;
   bool is_megagroup = (channel.flags_ & CHANNEL_FLAG_IS_MEGAGROUP) != 0;
@@ -13926,10 +13954,12 @@ void ContactsManager::on_chat_update(telegram_api::channel &channel, const char
 
   bool need_invalidate_channel_full = false;
   if (c->has_linked_channel != has_linked_channel || c->has_location != has_location ||
-      c->sign_messages != sign_messages || c->is_megagroup != is_megagroup || c->is_verified != is_verified ||
+      c->has_active_group_call != has_active_group_call || c->sign_messages != sign_messages ||
+      c->is_megagroup != is_megagroup || c->is_verified != is_verified ||
       c->restriction_reasons != restriction_reasons || c->is_scam != is_scam) {
     c->has_linked_channel = has_linked_channel;
     c->has_location = has_location;
+    c->has_active_group_call = has_active_group_call;
     c->sign_messages = sign_messages;
     c->is_slow_mode_enabled = is_slow_mode_enabled;
     c->is_megagroup = is_megagroup;
@@ -13990,6 +14020,7 @@ void ContactsManager::on_chat_update(telegram_api::channelForbidden &channel, co
   tl_object_ptr<telegram_api::chatBannedRights> banned_rights;  // == nullptr
   on_update_channel_default_permissions(c, channel_id, get_restricted_rights(banned_rights));
 
+  bool has_active_group_call = false;
   bool sign_messages = false;
   bool is_slow_mode_enabled = false;
   bool is_megagroup = (channel.flags_ & CHANNEL_FLAG_IS_MEGAGROUP) != 0;
@@ -14013,11 +14044,12 @@ void ContactsManager::on_chat_update(telegram_api::channelForbidden &channel, co
   }
 
   bool need_invalidate_channel_full = false;
-  if (c->sign_messages != sign_messages || c->is_slow_mode_enabled != is_slow_mode_enabled ||
-      c->is_megagroup != is_megagroup || c->is_verified != is_verified || !c->restriction_reasons.empty() ||
-      c->is_scam != is_scam) {
+  if (c->has_active_group_call != has_active_group_call || c->sign_messages != sign_messages ||
+      c->is_slow_mode_enabled != is_slow_mode_enabled || c->is_megagroup != is_megagroup ||
+      c->is_verified != is_verified || !c->restriction_reasons.empty() || c->is_scam != is_scam) {
     // c->has_linked_channel = has_linked_channel;
     // c->has_location = has_location;
+    c->has_active_group_call = has_active_group_call;
     c->sign_messages = sign_messages;
     c->is_slow_mode_enabled = is_slow_mode_enabled;
     c->is_megagroup = is_megagroup;
@@ -14243,7 +14275,7 @@ td_api::object_ptr<td_api::updateSupergroup> ContactsManager::get_update_unknown
     ChannelId channel_id) {
   return td_api::make_object<td_api::updateSupergroup>(td_api::make_object<td_api::supergroup>(
       channel_id.get(), string(), 0, DialogParticipantStatus::Banned(0).get_chat_member_status_object(), 0, false,
-      false, false, false, true, false, "", false));
+      false, false, false, false, true, false, "", false));
 }
 
 int32 ContactsManager::get_supergroup_id_object(ChannelId channel_id, const char *source) const {
@@ -14265,8 +14297,9 @@ tl_object_ptr<td_api::supergroup> ContactsManager::get_supergroup_object(Channel
   }
   return td_api::make_object<td_api::supergroup>(
       channel_id.get(), c->username, c->date, get_channel_status(c).get_chat_member_status_object(),
-      c->participant_count, c->has_linked_channel, c->has_location, c->sign_messages, c->is_slow_mode_enabled,
-      !c->is_megagroup, c->is_verified, get_restriction_reason_description(c->restriction_reasons), c->is_scam);
+      c->participant_count, c->has_linked_channel, c->has_location, c->has_active_group_call, c->sign_messages,
+      c->is_slow_mode_enabled, !c->is_megagroup, c->is_verified,
+      get_restriction_reason_description(c->restriction_reasons), c->is_scam);
 }
 
 tl_object_ptr<td_api::supergroupFullInfo> ContactsManager::get_supergroup_full_info_object(ChannelId channel_id) const {
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index e73ba3e3c..2dab53930 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -21,6 +21,7 @@
 #include "td/telegram/files/FileSourceId.h"
 #include "td/telegram/FolderId.h"
 #include "td/telegram/FullMessageId.h"
+#include "td/telegram/InputGroupCallId.h"
 #include "td/telegram/Location.h"
 #include "td/telegram/MessageId.h"
 #include "td/telegram/net/DcId.h"
@@ -789,6 +790,7 @@ class ContactsManager : public Actor {
 
     bool has_linked_channel = false;
     bool has_location = false;
+    bool has_active_group_call = false;
     bool sign_messages = false;
     bool is_slow_mode_enabled = false;
 
@@ -847,6 +849,8 @@ class ContactsManager : public Actor {
 
     DcId stats_dc_id;
 
+    InputGroupCallId active_group_call_id;
+
     int32 slow_mode_delay = 0;
     int32 slow_mode_next_send_date = 0;
 
@@ -1017,6 +1021,7 @@ class ContactsManager : public Actor {
   static constexpr int32 CHANNEL_FLAG_HAS_LINKED_CHAT = 1 << 20;
   static constexpr int32 CHANNEL_FLAG_HAS_LOCATION = 1 << 21;
   static constexpr int32 CHANNEL_FLAG_IS_SLOW_MODE_ENABLED = 1 << 22;
+  static constexpr int32 CHANNEL_FLAG_HAS_ACTIVE_GROUP_CALL = 1 << 23;
 
   static constexpr int32 CHANNEL_FULL_FLAG_HAS_PARTICIPANT_COUNT = 1 << 0;
   static constexpr int32 CHANNEL_FULL_FLAG_HAS_ADMINISTRATOR_COUNT = 1 << 1;
@@ -1039,6 +1044,7 @@ class ContactsManager : public Actor {
   static constexpr int32 CHANNEL_FULL_FLAG_HAS_SLOW_MODE_NEXT_SEND_DATE = 1 << 18;
   static constexpr int32 CHANNEL_FULL_FLAG_HAS_SCHEDULED_MESSAGES = 1 << 19;
   static constexpr int32 CHANNEL_FULL_FLAG_CAN_VIEW_STATISTICS = 1 << 20;
+  static constexpr int32 CHANNEL_FULL_FLAG_HAS_ACTIVE_GROUP_CALL = 1 << 21;
   static constexpr int32 CHANNEL_FULL_FLAG_IS_BLOCKED = 1 << 22;
 
   static constexpr int32 CHAT_INVITE_FLAG_IS_CHANNEL = 1 << 0;
diff --git a/td/telegram/Global.h b/td/telegram/Global.h
index 85d2a2e04..5c5f211bc 100644
--- a/td/telegram/Global.h
+++ b/td/telegram/Global.h
@@ -38,6 +38,7 @@ class ConnectionCreator;
 class ContactsManager;
 class FileManager;
 class FileReferenceManager;
+class GroupCallManager;
 class LanguagePackManager;
 class MessagesManager;
 class MtprotoHeader;
@@ -215,6 +216,13 @@ class Global : public ActorContext {
     file_reference_manager_ = std::move(file_reference_manager);
   }
 
+  ActorId<GroupCallManager> group_call_manager() const {
+    return group_call_manager_;
+  }
+  void set_group_call_manager(ActorId<GroupCallManager> group_call_manager) {
+    group_call_manager_ = group_call_manager;
+  }
+
   ActorId<LanguagePackManager> language_pack_manager() const {
     return language_pack_manager_;
   }
@@ -385,6 +393,7 @@ class Global : public ActorContext {
   ActorId<ContactsManager> contacts_manager_;
   ActorId<FileManager> file_manager_;
   ActorId<FileReferenceManager> file_reference_manager_;
+  ActorId<GroupCallManager> group_call_manager_;
   ActorId<LanguagePackManager> language_pack_manager_;
   ActorId<MessagesManager> messages_manager_;
   ActorId<NotificationManager> notification_manager_;
diff --git a/td/telegram/InputGroupCallId.cpp b/td/telegram/InputGroupCallId.cpp
index 69f05a66d..296dc3d89 100644
--- a/td/telegram/InputGroupCallId.cpp
+++ b/td/telegram/InputGroupCallId.cpp
@@ -27,10 +27,7 @@ Result<InputGroupCallId> InputGroupCallId::from_group_call_id(const string &grou
     return Status::Error("Invalid group call identifier specified");
   }
 
-  InputGroupCallId result;
-  result.group_call_id = r_group_call_id.ok();
-  result.access_hash = r_access_hash.ok();
-  return result;
+  return InputGroupCallId{r_group_call_id.ok(), r_access_hash.ok()};
 }
 
 string InputGroupCallId::get_group_call_id() const {
@@ -45,7 +42,7 @@ tl_object_ptr<telegram_api::inputGroupCall> InputGroupCallId::get_input_group_ca
 }
 
 StringBuilder &operator<<(StringBuilder &string_builder, InputGroupCallId input_group_call_id) {
-  return string_builder << "input group call " << input_group_call_id.group_call_id;
+  return string_builder << "group call " << input_group_call_id.group_call_id;
 }
 
 }  // namespace td
diff --git a/td/telegram/InputGroupCallId.h b/td/telegram/InputGroupCallId.h
index 7107f764d..b8583e1e6 100644
--- a/td/telegram/InputGroupCallId.h
+++ b/td/telegram/InputGroupCallId.h
@@ -12,6 +12,8 @@
 #include "td/utils/Status.h"
 #include "td/utils/StringBuilder.h"
 
+#include <functional>
+
 namespace td {
 
 class InputGroupCallId {
@@ -23,22 +25,33 @@ class InputGroupCallId {
 
   explicit InputGroupCallId(const tl_object_ptr<telegram_api::inputGroupCall> &input_group_call);
 
+  InputGroupCallId(int64 group_call_id, int64 access_hash) : group_call_id(group_call_id), access_hash(access_hash) {
+  }
+
   static Result<InputGroupCallId> from_group_call_id(const string &group_call_id);
 
   string get_group_call_id() const;
 
   bool operator==(const InputGroupCallId &other) const {
-    return group_call_id == other.group_call_id && access_hash == other.access_hash;
+    return group_call_id == other.group_call_id;
   }
 
   bool operator!=(const InputGroupCallId &other) const {
     return !(*this == other);
   }
 
+  bool is_identical(const InputGroupCallId &other) const {
+    return group_call_id == other.group_call_id && access_hash == other.access_hash;
+  }
+
   bool is_valid() const {
     return group_call_id != 0;
   }
 
+  std::size_t get_hash() const {
+    return std::hash<int64>()(group_call_id);
+  }
+
   tl_object_ptr<telegram_api::inputGroupCall> get_input_group_call() const;
 
   template <class StorerT>
@@ -56,4 +69,10 @@ class InputGroupCallId {
   friend StringBuilder &operator<<(StringBuilder &string_builder, InputGroupCallId input_group_call_id);
 };
 
+struct InputGroupCallIdHash {
+  std::size_t operator()(InputGroupCallId input_group_call_id) const {
+    return input_group_call_id.get_hash();
+  }
+};
+
 }  // namespace td
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index 62f4a48cc..95ef9d25f 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -3303,6 +3303,9 @@ void merge_message_contents(Td *td, const MessageContent *old_content, MessageCo
       if (old_->group_call_id != new_->group_call_id || old_->duration != new_->duration) {
         need_update = true;
       }
+      if (!old_->group_call_id.is_identical(new_->group_call_id)) {
+        is_content_changed = true;
+      }
       break;
     }
     case MessageContentType::InviteToGroupCall: {
@@ -3311,6 +3314,9 @@ void merge_message_contents(Td *td, const MessageContent *old_content, MessageCo
       if (old_->group_call_id != new_->group_call_id || old_->user_id != new_->user_id) {
         need_update = true;
       }
+      if (!old_->group_call_id.is_identical(new_->group_call_id)) {
+        is_content_changed = true;
+      }
       break;
     }
     case MessageContentType::Unsupported: {
@@ -4770,7 +4776,8 @@ tl_object_ptr<td_api::MessageContent> get_message_content_object(const MessageCo
     }
     case MessageContentType::GroupCall: {
       auto *m = static_cast<const MessageGroupCall *>(content);
-      return make_tl_object<td_api::messageGroupCall>(m->group_call_id.get_group_call_id());
+      return make_tl_object<td_api::messageGroupCall>(m->group_call_id.get_group_call_id(),
+                                                      m->duration >= 0 ? max(m->duration, 1) : 0);
     }
     case MessageContentType::InviteToGroupCall: {
       auto *m = static_cast<const MessageInviteToGroupCall *>(content);
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index 7320118ae..502fa9dfc 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -4517,6 +4517,7 @@ void Td::init_managers() {
   country_info_manager_actor_ = register_actor("CountryInfoManager", country_info_manager_.get());
   group_call_manager_ = make_unique<GroupCallManager>(this, create_reference());
   group_call_manager_actor_ = register_actor("GroupCallManager", group_call_manager_.get());
+  G()->set_group_call_manager(group_call_manager_actor_.get());
   inline_queries_manager_ = make_unique<InlineQueriesManager>(this, create_reference());
   inline_queries_manager_actor_ = register_actor("InlineQueriesManager", inline_queries_manager_.get());
   messages_manager_ = make_unique<MessagesManager>(this, create_reference());
diff --git a/td/telegram/UpdatesManager.cpp b/td/telegram/UpdatesManager.cpp
index 7191d924e..8e54ba631 100644
--- a/td/telegram/UpdatesManager.cpp
+++ b/td/telegram/UpdatesManager.cpp
@@ -21,6 +21,7 @@
 #include "td/telegram/DialogId.h"
 #include "td/telegram/FolderId.h"
 #include "td/telegram/Global.h"
+#include "td/telegram/GroupCallManager.h"
 #include "td/telegram/InlineQueriesManager.h"
 #include "td/telegram/LanguagePackManager.h"
 #include "td/telegram/Location.h"
@@ -2122,6 +2123,10 @@ void UpdatesManager::on_update(tl_object_ptr<telegram_api::updatePhoneCallSignal
                update->data_.as_slice().str());
 }
 
+void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateGroupCall> update, bool /*force_apply*/) {
+  send_closure(G()->group_call_manager(), &GroupCallManager::on_update_group_call, std::move(update->call_));
+}
+
 void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateContactsReset> update, bool /*force_apply*/) {
   td_->contacts_manager_->on_update_contacts_reset();
 }
@@ -2184,7 +2189,4 @@ void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateTheme> update,
 void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateGroupCallParticipants> update, bool /*force_apply*/) {
 }
 
-void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateGroupCall> update, bool /*force_apply*/) {
-}
-
 }  // namespace td
diff --git a/td/telegram/UpdatesManager.h b/td/telegram/UpdatesManager.h
index efe3f3dbf..9cc8ec416 100644
--- a/td/telegram/UpdatesManager.h
+++ b/td/telegram/UpdatesManager.h
@@ -298,6 +298,8 @@ class UpdatesManager : public Actor {
   void on_update(tl_object_ptr<telegram_api::updatePhoneCall> update, bool /*force_apply*/);
   void on_update(tl_object_ptr<telegram_api::updatePhoneCallSignalingData> update, bool /*force_apply*/);
 
+  void on_update(tl_object_ptr<telegram_api::updateGroupCall> update, bool /*force_apply*/);
+
   void on_update(tl_object_ptr<telegram_api::updateContactsReset> update, bool /*force_apply*/);
 
   void on_update(tl_object_ptr<telegram_api::updateLangPackTooLong> update, bool /*force_apply*/);
@@ -320,8 +322,6 @@ class UpdatesManager : public Actor {
   void on_update(tl_object_ptr<telegram_api::updateTheme> update, bool /*force_apply*/);
 
   void on_update(tl_object_ptr<telegram_api::updateGroupCallParticipants> update, bool /*force_apply*/);
-
-  void on_update(tl_object_ptr<telegram_api::updateGroupCall> update, bool /*force_apply*/);
 };
 
 }  // namespace td