No technology is without its flaws and same is the case with the VoIP system. With increasing popularity and reliability, it has become prone to hackers. Since many things go through phone line, hackers can intercept private information. Since there has been no dangerous attack on an IP system yet, therefore, most customers of VOIP are more likely interested in cost and quality than security. However, new security devices are being developed w » Read more: Understanding Voip Security