What is V.92?
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 and PCM Upstream.
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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.
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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.
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What is PCM Upstream and what will it
do for me?
PCM Upstream boosts the upstream data rates between the user and
ISP to reduce upload times for large files and email attachments.
V.90 modem do not allow a high upload speed, however V.92 modems
offer a maximum of 48 Kbps upstream. PCM Upstream will work
particularly well with new equipment such as Internet-connected
digital cameras, which primarily upload rather than download
information.
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What will Modem-on-Hold do for me?
Many households use the same phone line for both voice calls and
data (Internet), so when the user is browsing the Internet, an
incoming call cannot get through. Modem-on-Hold allows you to
receive an incoming call and stay connected to the Internet. It
also works in reverse; you can initiate a voice call while
connected and keep the modem connection. For MOH functionality,
the user must have Call Waiting service from their telephone
company.
- How much time will I have if I choose
to take an incoming call?
The "hold" time is defined by your ISP. The V.92 specification
allows for hold times to be anywhere from 10 seconds to infinite.
Please note that CLIS is currently 10-15 minutes for modem-on-hold.
- Do I have to redial to get back to the
Internet?
No. When you hang up the phone you can resume browsing.
- Where can I get a MOH software
application?
We expect that most modem manufacturers will supply a
Modem-on-Hold applet with the modem driver. Check with your modem
manufacturer for details.
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Will my V.90 modem stop working now?
No. CLIS will continue to have access numbers for V.90 modems.
However, to take advantage of the V.92 features you must be using
a V.92 modem. These modems are available at your local electronics
or computer store.
- Will my V.92 modem work on V.90 access
numbers?
You will be able to connect to V.90 access numbers using
your V.92 modem. However, we recommend that customers with V.92
modems dial our V.92 access numbers so they may take advantage of
the special features only available with V.92 technology. In turn,
we suggest that customers using V.90 modems do not switch to our
v.92 access numbers.
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