| V.92
is the new dial-up modem specification from the ITU (International
Telecommunications Union) that introduces three new features
that will add convenience and performance for the modem user.
The three features are quick connect, Modem-on-Hold (MOH)
and PCM Upstream.
What
makes a V.92 modem faster than V.90 modem?
The quick connect feature of a V.92 modem cuts the modem negotiation
or handshake time by up to 50% so you can dial-in faster.
The main feature that makes a V.92 modem faster than a V.90
modem is V.44 the new compression protocol. It is based upon
a compression scheme that can speed up your web browsing as
much as 50%. Not all V.92 modems are required to have V.44
data compression.
Why
do I need or want V.92?
Although broadband technologies (DSL and Cable) are all the
rage right now, in reality, most people around the world only
have access to analog phone lines. Dial-up modems will remain
the primary means to get on the Internet for several years,
so it is important to improve the user experience on this
technology.
How
do V.92 modem speeds compare to ISDN, ADSL and Cable speeds?
The V.92 modem is a regular dial-up modem with increased speed.
ISDN (64-128Kbps), ADSL (640Kbps and up), Cable (1000Kbps
and up) and other broadband connections have a higher "raw
power" connection speed so they will continue to be faster
than a V.92 modem.
What
will quick connect do for me?
Very simply, quick connect will shorten the time it takes
to make a connection by remembering ("training")
the phone line characteristics and storing them for later
usage. Typically, the modem handshake (all that noise you
hear) takes from 25 to 27 seconds. Surveys indicate that people
are quite irritated at this length of time. Quick connect
will cut the modem handshake time in half for most calls,
a significant improvement.
Will
quick connect work for me while I'm on the road with my laptop?
Yes. Since quick connect actually "trains" the modem
on the first call, all the following calls will be quick connects
- faster handshake times. People usually make more than one
connection from the same phone line (e.g. hotel) when they
are traveling.
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