Tuesday, October 25, 2005

 

Mathaba, from Africa to the World...

Mathaba, from Africa to the World...: "Your phone company can now block that free Skype call
Posted: 10/25
From: Source


The VoIP Backlash
By: Steven Cherry

The convergence of telephony and the Internet is a great thing for consumers. It makes voice-over-Internet-Protocol (VoIP) services, such as Vonage, Packet8, and Skype , possible.

In particular, Skype Technologies SA, in London, looms as a dagger poised to cut your phone costs—and your local phone company's profits. With its Skype Out service, a call anywhere in the world costs about 3 US cents per minute. And when the recipient is also a Skype user, the call is absolutely free.

In some countries, such as Saudi Arabia, regulations protect a phone company's revenues, prohibiting customers from saving money by making phone calls using any service other than the national carrier, Saudi Telecom, based in Riyadh. Skype users there have gleefully flouted those regulations, paying cheap local tariffs to access the Internet and use it for their calls, instead of directly using Saudi Telecom's expensive long-distance and international calling services.

Although these Skype calls travel along Saudi Telecom's network, the national carrier had been helpless to prevent the practice—VoIP phone calls were just ordinary data packets, indistinguishable from Web and e-mail traffic. Until now.

A seven-year-old Mountain View, Calif., company, Narus Inc., has devised a way for telephone companies to detect data packets belonging to VoIP applications and block the calls. For example, now when someone in Riyadh clicks on Skype 's 'call' button, Narus's software, installed on the carrier's network, swoops into action. It analyzes the packets flowing across the network, notices what protocols they adhere to, and flags the call as VoIP. In most cases, it can even identify the specific software being used, such as Skype 's."
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