As hackers threaten Internet telephony, vendors ally to fight back.

The Voice over IP Security Alliance announced Monday it will define the threats to IP telephony and discuss what can be done to lock down the next generation of telephones.
According to Insight Research, the global market for VoIP will reach $82 billion this year and $196.5 billion by 2007. Much of this growth is driven by businesses, but Gartner predicts that by 2008, almost one in five U.S. homes will have VoIP telephones.