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Special Report:
V.92 Modem Standard
The International Telecommunication Union (ITU-T) has
announced an improved ITU-T 56K modem standard: V.92. Though
the top speed for downloads is still 56K, V.92 has a number
of enhancements:
- Startup time - the time needed to establish a
connection - has been reduced, making hopping on and off
the Internet much easier. This should make it easier to
hop on and off the Internet. Reports from months ago
claimed that startup time had been reduced from around
twenty seconds to about five seconds, though more recent
reports put the figure at ten seconds. (One difference in
the figures may be whether or not dialing time is
included, or if the figures only cover the time when the
two modems are screeching at each other during the
connection phase.)
- V.92 has a standard method of disconnecting the modem
long enough to let you know that someone is trying to
call you without losing the connection, a feature being
referred to as "Internet call waiting."
- The maximum upload speed has been increased from
33.6K to 48K, which should improve video conferencing and
general uploading.
The ITU-T also proposed two new related modem standards:
- The ITU-T has upgraded the V.42bis compression to
V.44, which it says compresses data 25% more
effectively.
- V.59 is a new protocol for facilitating modem and
connection fault-finding.
Final approval of the new standards could come as early
as the group's November, 2000 meeting.
ITU
Press Release: Voiceband Modem Standards Take Another
Significant Step Forward
V.92 links
newest first
NetworkWorldFusion:
New modem standard boosts access options (July 17, 2000)
ZDNet:
Modems Get an Extra Bit of Oomph
InternetNews:
ITU Moves to Speed Modem Improvements
P.S. The
V92.com domain is already registered. Conexant Systems
got it on January 12, 2000.
Found a mistake or a bad link? Contact us.
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