AT&T modem handles TV, 6 Mbit Internet access on copper wire

July 27, 1995 -- LARGO, Fla. -- Soon, a new technology from AT&T Paradyne
will enable anyone in the world to hold a phone conversation while
simultaneously using the same copper phone line to view a "live" event on
TV, quickly download high-definition multimedia files from the Internet to
a PC, conduct a video phone call or receive movies-on-demand.

AT&T's new GlobeSpan transmission technology will allow phone companies to
provide Multimedia Telephone Communications (MTC).MTC includes live
broadcast video services, interactive video and high-speed data services
with an enhanced level of choice, control and convenience. GlobeSpan will
make it possible for service providers to capture a larger share of the
rapidly emerging interactive video, data services, and broadcast
television services markets. Combined revenue from these services could
exceed $350 billion worldwide by 2000, according to TeleChoice, of Verona,
N.J.

The convergence of GlobeSpan with new video compression and server
technology will enable these services without the long wait for new and
expensive broadband networks. GlobeSpan quadruples transmission speeds
from T1 (1.544 Mbps) to over 6 Mbps, which allows phone companies to
deploy advanced services, using their existing copper-wire networks.

"The high-growth trends in the industry are a result of technology
advancements that satisfy the public's growing demand for interactive
services," said AT&T Paradyne's Director and General Manager Gabe Torok.
"The industry and the media have done a great job of setting consumer
expectations for advanced voice, video and data services that can be
provided over future fiber-based communications networks. GlobeSpan
enables the existing copper phone network to support access to these
services now for rapid market entry and ultimately, universal access at
the lowest cost."

GlobeSpan further expands the range of applications that were previously
supported by AT&T Paradyne's VideoSpan technologies. Developed by AT&T
Paradyne Bell Laboratories, GlobeSpan is the first fully-integrated
transmit and receive (transceiver) chipset that supports both asymmetric
digital subscriber line (ADSL) and symmetric, high-bit-rate digital
subscriber line (HDSL) applications.

The GlobeSpan transceiver is based on a new STARLET digital VLSI (very
large scale integrated circuit). GlobeSpan combines STARLET with the
previously announced SLADE analog chip to form a highly-integrated and
powerful DSL (digital subscriber line) transceiver. The transceiver
implements CAP (carrierless amplitude and phase modulation) coding
techniques to support high-speed transmission over extended distances.

"AT&T Paradyne is actively licensing the CAP based GlobeSpan technology for
incorporation into a range of DSL products, thus providing worldwide
market coverage," said AT&T Paradyne's Business Development Director,
Frank Wiener. "To date, over 15 global equipment suppliers have licensed
AT&T Paradyne's CAP transceiver technology for incorporation into their
own line of products."

The proliferation of AT&T's CAP technology in numerous worldwide trials is
establishing CAP as the technology of choice for ADSL and HDSL
applications.

GLOBESPAN TECHNOLOGY DESCRIPTION

GlobeSpan is a transmission technology that uses CAP line coding techniques
to provide high-speed digital transmissions over the existing copper wire,
local telephone lines. GlobeSpan allows the concurrent transmission of
both standard analog voice signals and high-speed digital signals over the
existing copper wire phone lines.GlobeSpan transmits high-speed digital
data at symmetric rates of fractional or full E1 (2.048 Mbps) for HDSL
applications and asymmetric rates of T1 (l.544 Mbps), E1 or 6 Mbps
(supporting live video broadcast) for ADSL applications. CAP was developed
by AT&T and is implemented in the GlobeSpan transceivers to provide the
core transmission functions of ADSL and HDSL products.

For ADSL applications, GlobeSpan supports a lower speed reverse channel
(upstream) rate of 16 Kbps to 64 Kbps.GlobeSpan is based on a highly
flexible, programmable platform that will allow future support for new
solutions such as ATM transport and high-speed reverse channels of up to
640 Kbps, said Frank Wiener. The current 64 Kbps and future higher speed
reverse channel rates position GlobeSpan to efficiently support both video
and "data applications," such as Internet access, as well as remote LAN
access for work at home and remote office applications.

CAP TECHNOLOGY LICENSEES

Following is a list of equipment suppliers that have announced their
licensing relationship with AT&T Paradyne:

 Advanced Video Access (USA),
 Cheng-Hwa Communications (Taiwan)
 Hyundai Electric (Korea)
 Il-Jin Telecom Electronics Co. Ltd (Korea)
 IPM Datacom S.r.l. (Italy)
 Lucky Goldstar Information & Communications (Korea)
 NEC Australia Pty. Ltd.
 Performance Telecom (USA)
 Schmid Telecom (Switzerland)
 Westell (USA)
 Westell International (USA)

ABOUT AT&T PARADYNE

Based in Largo, Fla., AT&T Paradyne is a leading worldwide innovator of
network access technologies and products for communications and
entertainment. The company is also the leading worldwide innovator of
high-speed modems. AT&T invented the modem and was the first with 19,200
bps, 28,800 bps and 33,600 bps modems.
 
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