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To: ftth who wrote (3294)4/2/1999 10:53:00 AM
From: Kenneth E. Phillipps  Read Replies (1) | Respond to of 12823
 
Article from Internet Week says US West will offer DSL that carves up to 16 voice channels out of a single DSL line and still provides a line for high speed data. Cost for voice is only $10 per line. This product is from Cisco. There is another article in Sounding Board about this technology. Nortel also has a product. As a self employed lawyer in a solo shop, I can tell you I am definitely interested in a product like this. This will be a dynamite product for law offices and medical offices.

internetwk.com

Ken

Friday, April 2, 1999, 10:01 AM ET.
DSL To Deliver Voice,
Data

By CHUCK MOOZAKIS

U S West will offer by year's end a service
that carves up to 16 voice channels out of
a single digital subscriber line and still
provides a high-speed channel for data,
possibly for as low as $10 per voice line.

That could present IT managers with the
strong business case for DSL that has
been lacking with some other convergent
services, including ISDN and ATM.

Enterprise users are understandably
intrigued by this development. “My 800
dial bill is running upwards of $125,000
per month, and I'm doing everything I can
to get the price down,” said one
engineering manager at a large Midwest
insurance company. “I would love to have
one pipe for [multiple] at-home people.”
Currently, the insurer relies on dial-up
Internet access and toll-free numbers for
voice in order to link remote users to
headquarters.

Jonathan Rudes, senior man-aging
director of Newmark Real Estate Inc.,
said such a service would be a major
advantage in marketing his commercial
properties to prospective tenants.

“If I can save space and provide
advanced services without having to run
additional equipment, that would be a
major advantage formy office buildings,”
said Rudes, who already offers DSL to
one of his buildings. “They need
high-speed Internet access and multiple
phone lines.”

Pricing for U S West's “derived voice
service” (DVS), which is currently under
development, hasn't been finalized, but it
is expected that the voice lines will run
about $10 each, said Larry Yokell,
director of product development for
MegaBit Services, part of U S West's
!nterprise networking unit. That's about 50
percent less than a regular voice line.

For now, DVS puts U S West ahead of
the pack of other suppliers rolling out DSL
services.

SBC Communications Inc. has a
segmented voice/data service dubbed
Integrated Pathways, but it's based on a
T1 line, according to an SBC spokesman.
BellSouth and Bell Atlantic said they do
not have similar offerings. Regional and
national ISPs, such as Rhythms
NetConnections Inc., Covad
Communications Co. and NorthPoint
Communications Inc., said they are
focused on data-only DSL services at this
time.

IT managers should expect similar
services from other vendors and service
providers, said analyst Laurie Falconer,
who follows DSL technology for
TeleChoice Inc.

“The carrier needs to get the voice piece
of the business because that's where the
revenue is. If they can provide multiple
services to the same company, that
customer will be tied closer to the carrier
and less likely to bolt,” she said. “For the
IT manager, it's much more efficient. If he
or she can use only one provider for
multiple services, it's easier to manage
and provides an opportunity to save on
voice lines.”

DVS will use rate-adaptive DSL, a
technology that dynamically adjusts to
dirty lines or other transmission hiccups,
Yokell said. DVS will run on DSL access
multiplexers (DSLAMs) and other
hardware being developed by Cisco and
CopperCom Inc. RADSL can deliver data
downstream at 6.1 Mbps and upstream at
1.5 Mbps.

CopperCom's technology, called Copper
Complete DSL, is a hardware and
software combination that creates as
many as 16 voice channels on a DSL
pipe, said Jennifer Stagnaro, vice
president of marketing at CopperCom.
With RADSL, CopperCom could support
16 64-Kbps channels while still leaving
room for 512 Kbps of data, assuming U S
West decided to offer a full-throttled
version of the technology. With
compression, voice channels could be cut
to 32 Kbps, leaving 1 Mbps for data.

The CopperCom technology is currently
being tested and is expected to go into
trials next quarter, Stagnaro said. Cisco
declined to comment on the specific
technology it's developing for U S West.

Copper Complete takes disparate voice
and data streams and pools them through
a small customer-premises device, which
packetizes the data and voice traffic for
transport over one DSL line.

The blended traffic is carried through the
DSL pipe to Cisco DSLAMs located at a
U S West switching center. There, the
traffic from several DSLAMs is
concentrated onto an ATM switch, where
the data is siphoned off to the user's ISP.
Voice traffic is sent to a CopperCom
gateway, where the packetized voice is
converted back to digital and funneled to
the public telephone network.