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Re:Eric Engstrom, co-creator of DirectX, has died by Ekaros on Tuesday December 15, 2020 @03:43AM (#25428296)
POTS is not POTS any more. Anything other than possible last mile is now digital, with lowest possible if not lower bitrate and old codecs. And that extends to mobile.
Re:Eric Engstrom, co-creator of DirectX, has died by asveikau on Tuesday December 15, 2020 @03:49AM (#25428335)
Right. So substitute "AMR-NB" for "POTS".
Re:Eric Engstrom, co-creator of DirectX, has died by ksec on Tuesday December 15, 2020 @02:44PM (#25434163)
It really should be AMR-WB or even AMR-WB+ by now, and EVS if you are on VoLTE.

EVS are very good at 16-32Kbps bitrate, possibly better than even Opus. But generally speaking Social Apps uses higher bitrate you get better quality. Although latency tends to suffer a bit.