You can choose a username on Telegram. If you do, other people will be able to find you by this username and contact you without knowing your phone number.
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您可以设置一个 Telegram 用户名。设置用户名后，别人可以通过用户名找到您，并且无需知晓电话号码即可联系您。
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wushidi,
Sep 17, 2023 at 04:03