Re:Why 56k is the fastest dial up modem speed
by marcus0x62 on Saturday November 25, 2023 @12:37PM
(#38414976)
V.92 supported up to 48kbps uplinks, but that standard caught on about as well as you might imagine an analog modem standard from the year 2000/2001 to.
https://en.m.wikipedia.org/wiki/ITU-T_V.92