diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 86372116d..f990ce1fc 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -5330,43 +5330,38 @@ bool ContactsManager::get_user_read_dates_private(UserId user_id) {
   return false;
 }
 
-string ContactsManager::get_dialog_about(DialogId dialog_id) {
-  switch (dialog_id.get_type()) {
-    case DialogType::User: {
-      auto user_full = get_user_full_force(dialog_id.get_user_id(), "get_dialog_about");
-      if (user_full != nullptr) {
-        return user_full->about;
-      }
-      break;
-    }
-    case DialogType::Chat: {
-      auto chat_full = get_chat_full_force(dialog_id.get_chat_id(), "get_dialog_about");
-      if (chat_full != nullptr) {
-        return chat_full->description;
-      }
-      break;
-    }
-    case DialogType::Channel: {
-      auto channel_full = get_channel_full_force(dialog_id.get_channel_id(), false, "get_dialog_about");
-      if (channel_full != nullptr) {
-        return channel_full->description;
-      }
-      break;
-    }
-    case DialogType::SecretChat: {
-      auto user_full = get_user_full_force(get_secret_chat_user_id(dialog_id.get_secret_chat_id()), "get_dialog_about");
-      if (user_full != nullptr) {
-        return user_full->about;
-      }
-      break;
-    }
-    case DialogType::None:
-    default:
-      UNREACHABLE();
+string ContactsManager::get_user_about(UserId user_id) {
+  auto user_full = get_user_full_force(user_id, "get_user_about");
+  if (user_full != nullptr) {
+    return user_full->about;
   }
   return string();
 }
 
+string ContactsManager::get_chat_about(ChatId chat_id) {
+  auto chat_full = get_chat_full_force(chat_id, "get_chat_about");
+  if (chat_full != nullptr) {
+    return chat_full->description;
+  }
+  return string();
+}
+
+string ContactsManager::get_channel_about(ChannelId channel_id) {
+  auto channel_full = get_channel_full_force(channel_id, false, "get_channel_about");
+  if (channel_full != nullptr) {
+    return channel_full->description;
+  }
+  return string();
+}
+
+string ContactsManager::get_secret_chat_about(SecretChatId secret_chat_id) {
+  auto c = get_secret_chat(secret_chat_id);
+  if (c == nullptr) {
+    return string();
+  }
+  return get_user_about(c->user_id);
+}
+
 string ContactsManager::get_dialog_search_text(DialogId dialog_id) const {
   switch (dialog_id.get_type()) {
     case DialogType::User:
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index b1021d33d..2f192112d 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -155,6 +155,11 @@ class ContactsManager final : public Actor {
   td_api::object_ptr<td_api::emojiStatus> get_channel_emoji_status_object(ChannelId channel_id) const;
   td_api::object_ptr<td_api::emojiStatus> get_secret_chat_emoji_status_object(SecretChatId secret_chat_id) const;
 
+  string get_user_about(UserId user_id);
+  string get_chat_about(ChatId chat_id);
+  string get_channel_about(ChannelId channel_id);
+  string get_secret_chat_about(SecretChatId secret_chat_id);
+
   bool get_chat_has_protected_content(ChatId chat_id) const;
   bool get_channel_has_protected_content(ChannelId channel_id) const;
 
@@ -167,8 +172,6 @@ class ContactsManager final : public Actor {
 
   bool get_user_read_dates_private(UserId user_id);
 
-  string get_dialog_about(DialogId dialog_id);
-
   string get_dialog_search_text(DialogId dialog_id) const;
 
   void for_each_secret_chat_with_user(UserId user_id, const std::function<void(SecretChatId)> &f);
diff --git a/td/telegram/DialogInviteLinkManager.cpp b/td/telegram/DialogInviteLinkManager.cpp
index 62183dbf6..f190dfd76 100644
--- a/td/telegram/DialogInviteLinkManager.cpp
+++ b/td/telegram/DialogInviteLinkManager.cpp
@@ -840,7 +840,7 @@ td_api::object_ptr<td_api::chatInviteLinkInfo> DialogInviteLinkManager::get_chat
       default:
         UNREACHABLE();
     }
-    description = td_->contacts_manager_->get_dialog_about(dialog_id);
+    description = td_->dialog_manager_->get_dialog_about(dialog_id);
   } else {
     is_chat = invite_link_info->is_chat;
     is_megagroup = invite_link_info->is_megagroup;
diff --git a/td/telegram/DialogManager.cpp b/td/telegram/DialogManager.cpp
index e41a322e6..8648cd8f1 100644
--- a/td/telegram/DialogManager.cpp
+++ b/td/telegram/DialogManager.cpp
@@ -1090,6 +1090,23 @@ td_api::object_ptr<td_api::emojiStatus> DialogManager::get_dialog_emoji_status_o
   }
 }
 
+string DialogManager::get_dialog_about(DialogId dialog_id) {
+  switch (dialog_id.get_type()) {
+    case DialogType::User:
+      return td_->contacts_manager_->get_user_about(dialog_id.get_user_id());
+    case DialogType::Chat:
+      return td_->contacts_manager_->get_chat_about(dialog_id.get_chat_id());
+    case DialogType::Channel:
+      return td_->contacts_manager_->get_channel_about(dialog_id.get_channel_id());
+    case DialogType::SecretChat:
+      return td_->contacts_manager_->get_secret_chat_about(dialog_id.get_secret_chat_id());
+    case DialogType::None:
+    default:
+      UNREACHABLE();
+      return string();
+  }
+}
+
 bool DialogManager::get_dialog_has_protected_content(DialogId dialog_id) const {
   switch (dialog_id.get_type()) {
     case DialogType::User:
diff --git a/td/telegram/DialogManager.h b/td/telegram/DialogManager.h
index a3ef4559d..8d4605902 100644
--- a/td/telegram/DialogManager.h
+++ b/td/telegram/DialogManager.h
@@ -132,6 +132,8 @@ class DialogManager final : public Actor {
 
   td_api::object_ptr<td_api::emojiStatus> get_dialog_emoji_status_object(DialogId dialog_id) const;
 
+  string get_dialog_about(DialogId dialog_id);
+
   bool get_dialog_has_protected_content(DialogId dialog_id) const;
 
   bool is_dialog_action_unneeded(DialogId dialog_id) const;
diff --git a/td/telegram/GroupCallManager.cpp b/td/telegram/GroupCallManager.cpp
index eebaae812..e503379e4 100644
--- a/td/telegram/GroupCallManager.cpp
+++ b/td/telegram/GroupCallManager.cpp
@@ -2692,7 +2692,7 @@ void GroupCallManager::join_group_call(GroupCallId group_call_id, DialogId as_di
     GroupCallParticipant participant;
     participant.is_self = true;
     participant.dialog_id = as_dialog_id;
-    participant.about = td_->contacts_manager_->get_dialog_about(participant.dialog_id);
+    participant.about = td_->dialog_manager_->get_dialog_about(participant.dialog_id);
     participant.audio_source = audio_source;
     participant.joined_date = G()->unix_time();
     // if can_self_unmute has never been inited from self-participant,