February 24, 2005 in Social Responsibility News

Samsung Demonstrates Push-To-All Technology

The high-speed EV-DO network is used to enable a multimedia wireless communications experience,
from Push-to Talk (PTT) to Push-to-View (PTV), and Push-to Data (PTD)


SUWON, Korea, February 24, 2005 – Samsung Electronics, a leading wireless communications company, is proud to
announce the development of a working PTA (Push-to-All) solution. The demonstration of the PTA solution proto-type
took place at the company’s Telecommunications R&D Center in Suwon, Korea.

This total mobile communications solution incorporates the existing PTT (Push-to-Talk) one to multi-user voice
technology with the one to multi-user video conferencing ability of PTV (Push-to-View) and multimedia file sharing
function of PTD (Push-to Data).

The core benefit of PTA handsets is the synchronous video conferencing. Similar to a walkie-talkie with video
capabilities, the speaker’s image appears instantly on the handset screen of the user or multiple users on the call.
It is a convenient and time-saving function that allows people in multiple locations to easily conduct virtual meetings.
In addition, the PTA handset allows one to send image, video clip and music contents to multiple users through one
simple operation on a mobile device at one time.

Samsung Electronics plans to offer a commercialized PTA solution handset using not only EV-DO technology but also
EDGE, UMTS, and WiFi standards.


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