Disabling peer-to-peer will relay all calls through Telegram servers to avoid revealing your IP address, but may slightly decrease audio and video quality.
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如停用了點對點傳輸，所有通話將會以 Telegram 伺服器作中繼，對方不會知道您的 IP 地址，但語音及視像通話的質素可能會稍為降低。
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Tony Wong,
Aug 14, 2020 at 20:22