AT&T Paradyne unveils powerful multimedia "modern modem"

September 21, 1995 -- LARGO, Fla. -- Modem evolution made dramatic progress
today with AT&T Paradyne's introduction of digital transmission technology
that operates more than 70 times faster than currently available modems
and enables widespread video telephony services over a single, copper,
phone line.

MODERN MODEM TECHNOLOGY WILL OPEN THE WINDOW TO A WORLD OF MULTIMEDIA
SERVICES FOR THE MASSES

The new technology will send video and other multimedia offerings over the
copper phone line, thus complementing other AT&T high-speed solutions for
accelerated, universal access to new services.

AT&T Bell Laboratories and AT&T Paradyne have co-developed a new
application for its GlobeSpan technology platform that is the first single
line solution to transmit simultaneous voice and data at a range of speeds
up to T1 and E1 (1.544 Mbps to 2.048 Mbps) in both directions. AT&T
Paradyne describes this as SDSL (symmetric- digital-subscriber-line)
technology. GlobeSpan is a current solution to provide high-speed access
over existing phone lines and complements emerging fiber-based networks.
Bi-directional speeds for GlobeSpan SDSL will range from 128 kbps to E1,
with initial availability set for December 1995.

Potential applications using GlobeSpan-based products include distance
learning, remote LAN access, work-at-home, high-speed Internet access,
remote medical imaging, remote interactive game participation and
interactive video services.

"This technology will allow worldwide phone companies to make the
information superhighway as universally accessible as today's telephone,
radio and TV services," said AT&T Paradyne Director of Business
Development, Clete Gardenhour. "The technology can open access to new
multimedia telephone communications (MTC) services to anyone over the
common telephone line. At a touch of a button, SDSL will enable anyone
with telephone line, a telephone and a computer or television to access
new services, while simultaneously conducting a phone conversation on the
same phone line. This is what the information age promise is all about.

"It's a new communications dimension that will change the use of
telephones, televisions and computers. GlobeSpan will enable on- line
service providers to offer video programming via the computer."

The GlobeSpan chipset enables one common hardware platform to support SDSL,
ADSL (asymmetric-digital-subscriber-line) and HDSL (high-bit- rate,
digital subscriber line) applications. The flexibility of the GlobeSpan
technology to use common chip components will increase chip volumes and
help drive down the costs of products and ultimately, the cost of
provisioning service.

GlobeSpan SDSL offers many advantages. Service providers may use SDSL for
access to multiple data services, including fractional T1/E1, X.25, frame
relay, Internet access and ISDN. Projected transmission distances will
reach more than 17,000 feet (5.1 kilometers) at 384 kbps, including
standard telephone service on the same phone line.

When phone service is offered with SDSL, it will not be disrupted by the
transmission of data or video, or the loss of customer premises electrical
power. Additionally, the cost of SDSL will be less than HDSL because it
requires nearly one-half of the transceiver components and only one copper
wire phone line.

AT&T Paradyne licenses GlobeSpan technology to worldwide telephone
equipment manufacturers, who include Advanced Video Access, Cheng- Hwa
Communication, Il-Jin Telecom Electronics Co., Ltd., IPM Datacom S.r.l.,
Lucky Goldstar Information & Communications, NEC Australia Pty. Ltd.,
Performance Telecom, Quadraplex Incorporated, Schmid Telecom and Westell.

Based in Largo, Florida, AT&T Paradyne is a division of AT&T and a leading
worldwide technology innovator for solutions that allow easy access to
worldwide networks for communications and entertainment.
 
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