pretty sure that call audio gets much better prioritization for low latency (tho... | Hacker News

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		emeril on Nov 26, 2022 \| parent \| context \| favorite \| on: Issue dialing 911 on Google Pixel 6 cell phones pretty sure that call audio gets much better prioritization for low latency (though at relatively low bandwidth) than higher bandwidth non-voice data?

simfree on Nov 26, 2022 [–]

The QCI (QoS Class Identifier) for carrier provided voice and video (Android only) calls is generally much higher than normal data, and carriers monitor call handoff reliability between towers, Mean Opinion Scores (MOS, a rating of the audio experience of each call), and device specific performance.

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