Currently there is an increased interest in the implementation of triple play communications (voice, video and data) in corporate computer networks. This is because the technologies that support these solutions show their economic viability in a time when traditional telephone services reached their highest point. The introduction of IP telephony technology in the information infrastructure of the organization results in a real reduction in the cost of telephone calls. In addition, the move to IP-telephony provides a unified approach to network administration and security issues of corporate information. No need to purchase additional protection for video and voice for security since they both use the same tools as those used for the protection of the common data circulating in the corporate network.

The term “IP-telephony” means much more than just voice transmission over the IP protocol. In fact, this term denotes a wide range of multiservice networking technologies for integrated data, voice and video into existing corporate data networks. The support of voice in IP networks in the long term will replace the services of voice and video delivered through the traditional telephone network.

The main reasons for the transition to multiservice network technologies are improving the quality of customer service, cost reduction and innovation that increases the competitiveness of companies. Multiservice applications and services offered by leading manufacturers of network equipment, include:

• unified messaging
• call centers
• personal telephony
• data sharing (using tools such as NetMeeting)
• interactive and recorded video

The main technological bases for triple-play services are the protocols for voice over ATM “(VoATM),” Voice over Frame Relay “(VoFR),” Voice over IP “(VoIP), and their supporting products.

Voice in the ATM network (Voice over ATM, VoATM) is using a standard emulation of the speech channel with pulse-code modulation (AAL1) or transfer to the ATM cell with a variable bit rate (AAL2). The main advantage of voice transport in ATM networks is guaranteed quality of service (QoS). Nevertheless, VoATM inherently has excessive complexity, high cost (due to the use of optical communication channels), and lack of support from manufacturers. VoATM was commonly used as a connecting highway or transit exchange between remote PBXs.

Voice over Frame Relay (Voice over FR, VoFR) is favorably compared to Voice over ATM cost and ease of use (administration). Nevertheless, the absence of Quality of Service in Frame Relay networks with the traffic saturation that is usually found in such networks, voice traffic may experience delays and hence reduction in voice quality.

Voice over IP networks (Voice over IP, VoIP) differs from the above technologies in that the transport happen at the network level and therefore voice packets can be carried out both in WAN (including networks of ATM and Frame Relay), and in local area networks (Fast Ethernet, Gigabit Ethernet).

In monetary terms, the value of the data in a computer often exceeds the actual cost of the hardware and software of the machine. Therefore, encrypting the information data in our computer system is of utmost importance.

Encryption plays an important role in protecting data, not only for maintaining confidentiality of information but also to protect data from damage, destruction or alteration. An important part of the encryption process is that it allows verification of the source of information, just like an electronic signature, where the decryption key is available, while the secret encryption key guarantees the authenticity and integrity of a file.

The encryption technologies and algorithms are not limited by the properties of the storage media used. This means that data is modified to the extent that no useful information can be extracted from them, while the resources remain unaffected. It does not matter if the encryption algorithm is known to the public, because confidentiality is guaranteed by the secrecy of the unique key used for decryption.

Just because the encryption is independent of the characteristics of a storage or communication medium, it can be used for secure transfer of data through open communication channels and to protect data in portable storage devices that have been lost or the user has chosen to reject. Even if an offender has access to a file, he will not be able to decrypt the contents nor read them without the secret key.

The Toshiba Folio 100 media tablet offers a rich multimedia experience by including support for Flash 10.1, WLAN and Bluetooth.

Toshiba Europe GmbH presented its new media tablet – FOLIO 100 based on the Android OS. The 10.1-inch personal media tablet is for people looking for a 100% portable and versatile device that is always with them as part of their digital life. The FOLIO 100 comes with a wide range of applications and services for media, web browsing and social networking and offers a rich multimedia experience. Easy and fun to use, the FOLIO 100 has a high quality graphic interface developed by Toshiba for Android 2.2 (Froyo). The tablet PC will be released in the last quarter of 2010 in Europe, Middle East and Africa.

Offering a range of connectivity options, the FOLIO 100 is equipped with an SD card slot, HDMI connector, USB 2.0, Wi-Fi, Bluetooth, and a Mobile Broadband (3G) version will follow soon. It has many useful preinstalled applications such as: Opera Mobile (web browser), FBReader (e-book reader), Document To Go (office suite), Evernote (notes), Adobe Flash 10.1 and Fring (an application which allows video calls to family and friends with the built-in webcam).

Toshiba Market Place

The media tablet also contains the Toshiba Market Place, a service that offers access to various download options for multimedia content, services, and applications. The Music Place of 7Digital offers access to one of the most comprehensive music libraries and allows synchronization with different devices. The Radio Place provides access to IP radio services. Through App Place, users can also download applications compatible with Folio 100.

Being 14mm thin and weighing 760g, the FOLIO 100 has a powerful processor (Nvidia Tegra 2) which provides the ideal balance between high performance and low battery. Its battery with over seven hours of operating time, allows the tablet to work nearly for a whole day without recharging. The instant-on mode allows the tablet to be able to boot up and be ready for use within 30 seconds. With storage capacity of up to 16GB, users can store music, videos, photos, e-mails and other data or to expand the storage capacity with an SD card.

Toshiba has already created a one-stop destination (www.toshibatouch.eu) for developers where they can find support for FOLIO100 application development.