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V42BIS
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1994-03-29
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596b
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25 lines
2-18-94
WHat's V42bis? V32bis?
v.22bis = 2400bps
MNP4 = error correction
MNP = compression
v42 = error correction (better)
v42bis = v42 + compression (better - in theory you can get 4X speed)
v32 = 9600bps
v32bis = v32 + 12,000 + 14,400 + 7200 + 4800bps
While it is possible to have a V32(bis) modem without V42bis,
virtually all V32(bis) modems do also have v42bis, and all Zoom/modems with
V32(bis) do have v42bis.
Don Hinds - Zoom Tech
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