KPN Mobile keeps Netherlanders and their neighbors communicating without wires. The wireless communications subsidiary of leading Dutch telecommunications carrier Royal KPN, KPN Mobile has about 27 million subscribers in the Netherlands, Germany, and Belgium. The company also provides service in Germany to about 15 million customers through subsidiary E-Plus and to about half a million users in Belgium through subsidiary BASE. Services include wireless voice and Internet, text messaging, as well as mobile television programming via its MobielTV service.

With more than 12 million active subscribers, TracFone is the leading independent reseller of nationwide prepaid wireless telecommunications services. The TracFone product is a pay-as-you-go, off-the-shelf mobile phone featuring prepaid airtime with no annual contracts or activation fees. In order to offer service across the US, TracFone has agreements with about 30 different wireless carriers nationwide, including industry leaders AT&T Mobility and Verizon Wireless. It sells service and phones nationally through about 70,000 retail outlets, including Wal-Mart and Lowe's, as well as in Puerto Rico and the US Virgin Islands. TracFone Wireless is a subsidiary of Latin America's top wireless carrier, América Móvil.

Since 1992, RADVISION (NASDAQ: RVSN ) is the industry’s leading provider of products and technologies for unified visual communications over IP and 3G networks. RADVISION offers the broadest and most complete set of standards-based video networking infrastructure and developer toolkits on the market today. These products enable customers and partners to deploy unified communication networks and services, and develop video network equipment and device solutions faster and more reliably than ever before. RADVISION is driving the unified communications evolution by combining the power of video, voice, data and wireless – in room videoconferencing systems, mobile video solutions and highly scalable video-enabled desktop platforms for IP and emerging next-generation networks.

Ulticom makes signaling software used to connect Internet and telecom service providers' switching and messaging systems and manage routing and billing information. Ulticom's Signalware software lets communications providers offer such services as voice-activated dialing, text messaging, and Internet call-waiting. The company has served clients including Alcatel-Lucent and Nokia Siemens. Ulticom gets about three-quarters of its sales outside the US. Comverse Technology owns about two-thirds of Ulticom, which it spun off in 2000. The company agreed to be acquired by buyout firm Platinum Equity for about $90 million.

AMIMON offers a wireless alternative for those who hate the hassle of wires and snakes. The fabless semiconductor company makes modules and chipsets that enable wireless transmission between high-definition video and audio sources and consumer electronic displays, such as DVD players, LCD and plasma TVs, gaming consoles, and multimedia projectors. AMIMON's uncompressed wireless link boasts the same functionality and quality as a wired link. Manufacturers such as Sharp use AMIMON's technology in LCD TVs that are sold in Japan. The firm has also joined forces with Belkin to develop wireless home theater setups.

Xtera Communications shines a light on high bandwidth. Xtera company makes fiber-optic transmission equipment used in both the terrestrial and undersea sections of telecommunications networks. Its Nu-Wave systems increase the bandwidth capacity of fiber-optic strands, making converged voice and data communications possible. Xtera also offers load balancers and traffic management devices for wide area networks.Xtera company serves wholesale telecommunications carriers and other service providers; clients have included Pacnet. Xtera has attracted investments from a wide range of private equity firms, including Accel Partners, ARCH Venture Partners, ComVentures, New Enterprise Associates, and Sevin Rosen.

Enfora makes integrated and modular platforms for use with wireless communications devices. For the asset management market, the company offers gateway software that enables clients to access, monitor, and control a wide range of connected devices. It also provides its Enabler and Spider lines of wireless platforms for deploying and managing wireless networks. Services include consulting, integration, implementation, and support. Enfora was established in 1999 as a spinoff from Inet Technologies. Texas Instruments supplies chipsets and firmware for the company's products.

Santur corporation makes widely tunable laser components for optical communications networks, especially long-haul WDM (wavelength division multiplexing) systems. The company's transmitters and transponders use an array of lasers integrated on a single chip combined with an external modulator for wide tunability with reduced power loss. Santur's products are intended for use by telecommunications carriers, such as AT&T and Sprint Nextel. The company's customers include CoreOptics, Harris, and Opnext. Santur was founded in 2000 by Bardia Pezeshki (former CTO) and Ed Vail (director of packaging).

Premiere Global Services, Inc. provides conferencing and collaboration solutions in North America, Europe, and the Asia Pacific. The company offers PGiMeet solutions, including traditional and voice over Internet protocol (IP)- based audio conferencing and Web collaboration services, such as automated reservationless conferencing, global reservationless conferencing with approximately 90 local access points, operator-assisted event conferencing, and Web collaboration and streaming Webcast events for investor calls, training sessions, sales planning calls, and project team meetings. Its PGiSend solutions include fax and document delivery solutions that integrate IP fax technology and notifications and reminders between businesses and their constituents delivered via automated speech, email, fax, and SMS technologies. These PGiSend notifications also provide recipient authentication, personalized messages with text- to-speech capabilities, hot key transfer for interactive messaging, data collection and real-time, and online summary reports.

Sonaecom deals with the constantly sonant and the electronic sonic. The Portuguese company is the subsidiary of the Sonae Group involved in the areas of mobile communications, wireline communications, multimedia, and the Internet. Its mobile phone network, Optimus, is one of only three such companies in Portugal. Additional subsidiaries include WeDo, Publico, Optimus Home . Sonaecom serves about 3 million customers. France Telecom owns 20% of the company; Sonae Group holds the majority ownership.

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