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April 2, 2009

Cellcrypt launches PBX IAB for secure calls

by David Masters
Voice telecoms security provider, Cellcrypt, yesterday launched the Cellcrypt PBX IAB. The PBX IAB provides supports secure communications for VoIP, landline-to-landline, and landline-to mobile calls. Using the PBX IAB, it is possible to establish a totally private, secure fixed and mobile telephone network, connecting any number of mobile devices and fixed line phones around the world. All that is needed to install PBX ...



June 18, 2008

Researchers highlight threat to VoIP security

by Jan Harris
Researchers from Johns Hopkins University in Baltimore, USA, have identified compression techniques as a potential security risk for VoIP users when used in conjunction with encryption technology. In a paper, called "Spot me if you can: Uncovering spoken phrases in encrypted VoIP conversations", the researchers suggests that the use of variable bitrate (VBR) compression techniques reduces the effectiveness of standard encryption ...



May 21, 2008

Newport Networks highlights VoIP security

by Jan Harris
With VoIP telephony services becoming increasingly popular, Newport Networks has issued a timely reminder of the need to be mindful of security issues with the technology. The company, which makes VoIP equipment, has identified a small but growing problem with hackers eavesdropping on VoIP calls, and stealing encoded user names and passwords, which they can then easily decode and sell. According to ...