Skype is software that allows free calls from one computer to another computer. Skype uses VoIP, but also, pays to call on any landline or mobile or enables to receive calls from landline or mobile. To use Skype, you need a computer, internet access, a microphone and speakers. We will see how it is now possible to use Skype with a Pocket PC and use the wifi. Skype was founded in 2003 by Niklas Zennstrom and Janus Friis. Niklas Zennstrom and Janus Friis are of Danish origin, and its founders are Kazaa and Skype. They became inseparable during their meeting at Tele2, a small company that had only twenty employees. Together, Niklas Zennstrom and Janus Friis founded multiple successful startups.
[...] Though the quality is not quite perfect, but it is possible to call one of the contacts. We can mention other competitors (direct or indirect) as Wengo software, British Telecom, ICQ, Yahoo Messenger etc . New Projects Janus Friis and Niklas Zennstrom, the founders of Skype are working very quietly on a new project, "Project Venice" which has since become "Joost". The creators of Kazaa and Skype want to impose themselves in the video to social demands. The beta version is already online. [...]
[...] The same year, there were 25 million users of VoIP. Experts predict that this figure will be multiplied by 10 by million users. There are 3.3 million French who uses this technology. Technical Optics Technically, VoIP proceeds as follows: the audio codec transmitter digitizes and compresses voice, data are separated into package. These packets are sent to separate senders in IP packets. This process allows for an optimal use of the network because the packets are distributed evenly over the less congested parts of the network. [...]
[...] - Future developments: o The development of videoconferencing is a failure. - Pricing o Fixed Subscription and proportional to the minute pricing. - Benefits o Reliable, secure, compatible with all its partners, identifies a real job that promotes user confidence. - Disadvantages o Mobile No, expensive, little multimedia capabilities. Fixed telephony's main mission is voice communications, and obviously ancillary services related to it are caller ID, call waiting, conferencing, call forwarding, etc . It is noted that the development of video conferencing is a failure despite the marketing efforts of major retailers. [...]
[...] This mode of phone obviously allows mobility of the client. Moreover the SIM card is non-negligible with respect to the security it brings to the physical identifier. The portable communication tool remains the most expensive, the phone's small size limits the development of multimedia, and network coverage is not fully insured throughout the country. Skype: - Service: o Voice and video conferencing. - Ancillary Services: o Instant Messaging o file transfer. - Future developments: o Skype "mobile" with PocketPC and wifi, wimax, Skype In, Skype Out. [...]
[...] Versions have evolved and Skype now offers a multitude of possibilities. Moreover Skype works today on most computers - Windows, Mac OS Linux and Pocket PC. Calling features, instant messaging and file transfer function can take place between all types of computers. According to Skype, the software automatically encrypts calls, instant messages and file transfers before sending them over the Internet. In theory, nobody can intercept calls, mailings or text file. However, users are wary and the safety system has not yet been demonstrated. [...]
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