France Telecom Launches DSL Licensing Program
Posted on: Monday, 14 March 2005, 15:00 CST
PARIS, March 14 /PRNewswire-FirstCall/ -- France Telecom today announced a new licensing program for Digital Subscriber Line (DSL) transmission technologies using Discrete Multi-Tone (DMT) modulation.
The program follows France Telecom's policy of actively promoting its major patents and software, marketing them directly or through patent pools (groups of patents from different companies handled by the same agent).
DMT modulation is a technique for increasing the efficiency of data transmission over pairs of copper wires. This is an area in which France Telecom and broadcaster Telediffusion de France (TDF) have patented technology after several years of joint research.
DMT transmission has been adopted for the main DSL standards, making France Telecom's patents essential to a number of DSL technologies:
-- Asymmetric DSL and its variants ADSL2 and ADSL2+: ITU standards G992.1,
G992.3, G992.4 and G99S.5
-- Very high speed DSL (VDSL): ITU standard G993.1
France Telecom's licensing program is aimed at ADSL and VDSL vendors complying with the relevant ITU standards. It will enable them to integrate the patented technology into equipment for call centers (DSLAMS) and terminals (modems, modem-routers, multi-service set-top boxes integrating an ADSL modem feature, etc.)
"As DMT technology is in widespread use, we are offering licenses at attractive prices and with simple conditions," commented Francois Jamet, Director of Intellectual Property & Licensing at France Telecom R&D.
About France Telecom
France Telecom is one of the world's leading telecommunications carriers, with 125 million customers on the five continents (220 countries and territories) et December 31, 2004 and consolidated operating revenues of 47.2 billion euros for 2004. Through its major international brands, including Orange, Wanadoo, Equant and GlobeCast, France Telecom provides businesses, consumers and other carriers with a complete portfolio of solutions that spans local, long-distance and international telephony, wireless, Internet, multimedia, data, broadcast.
France Telecom is the second-largest wireless operator and Internet access provider in Europe, and a world leader in telecommunications solutions for multinational corporations. France Telecom is listed on the Paris and New York stock exchanges.
France Telecom
CONTACT: U.S.: Pascale Diaine, Pascale.diaine@rd.francetelecom.com, orKevin McLaughlin, kevin.mclaughlin@rd.francetelecom.com, or France: Nilou DuCastel, nilou.ducastel@francetelecom.com, or Cathy Excoffier,cathy.excoffier@francetelecom.com, both + 33 1 44 44 93 93, all of FranceTelecom
Web site: http://www.rd.francetelecom.com/
Source: PRNewswire-FirstCall
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