Disabling peer-to-peer will relay all calls through Telegram servers to avoid revealing your IP address, but may slightly decrease audio quality.
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如果閂咗點對點傳輸，全部通話將會以 Telegram 伺服器做中繼，對方唔會揾到你嘅 IP 地址，不過通話質素可能會差啲啲。
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Tony Wong,
Dec 13, 2018 at 15:17