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protocol An ITU-T standard modem serial line
protocol using symbol rates of 2400, 2743, 2800, 3000,
@#3200 and 3429 and up to 28800 bits per second.
The official V.34 draft recommendation was titled:
Modem operating at data signalling rates of up to 28 800
bit/s for use on the general switched telephone network and
on leased point-to-point 2-wire telephone-type circuits.
During the lengthy process of approval by ITU-T, many
manufacturers released 28.8 kbps modems described as "V.FAST".
The V.34 recommendation was ratified by ITU-T on 20
September 1994. Rockwell and US Robotics both have seats
on the ITU-T, and have both released chip set/BIOS
combinations that they feel will meet V.34. V.34 modems will
also support V.FC if the manufacturer currently supports
V.FC (e.g. Rockwell). Some (all?) V.34 modems will also
support line probing.