Tag Archives: Voice over Internet Protocol

The Vulnerability Of VoIP

Listened to an interesting talk by Emmanuel Gadaix of the Telecom Security Task Force at the Bellua Cyber Security Asia 2005 conference in Jakarta. Emmanuel spoke of the security threats to mobile telephony, and while he pointed to the weakness of SS7 signalling — the part of mobile telephony where networks talk to one another —… Read More »

VoIP and 911

An interesting case in Texas that highlights the weak spot in the whole VoIP thing:  Net Phone Firm Vonage Sued Over 911 Access, reports the LA Times: As two gunmen forced their way into her Houston home Feb. 2, Sosamma John yelled to her daughter, Joyce, to call the police. Joyce ran upstairs, grabbed the… Read More »

Media Coverage As Sparklines

Here’s another effort to use sparklines to try to illustrate some of the trends I wrote about in today’s Asian Wall Street Journal/WSJ.com column (subscription only; apologies). I’ve used another excellent tool called SparkMaker, a Word plugin by Bissantz to try to show how the mainstream print media has covered some technology issues since the… Read More »

Skype Comes To Asia

Skype has teamed up with Korea’s Daum Communications to offer a co-branded Korean version of the pseudo-VOIP free telephony service. Korea has the highest penetration of broadband in the world, and Daum claims 37 million members, so this could be quite a hit there. There’s no mention of whether the service offers Skype Out services, where… Read More »

News: From Kazaa To Skype

 From Estonia comes news that the guys behind file-swapping legend Kazaa are launching an Internet phone service they claim could put traditional phone companies out of business. AP says the service, called Skype, purports to offer free, unlimited phone service between users with sound quality near to existing phone lines.     Skype users — and… Read More »