If a person has left the group in the past, you need to be in their Telegram contacts to add them back.
They can still join via an invite link as long as they are not on the group's invite link as long as they are not on the Removed Users list.
194
指定した相手を戻すには相手をTelegramの連絡先に登録している必要があります。
指定した相手に制限がなければ招待リンクによる再登録の呼びかけも可能です。
79/194
テレグラム同好会,
Aug 24, 2020 at 11:16