The last year several WiFi VoIP solutions have been introduced in the market. A lot of people use them for the mobility and easy of use, but are these solutions secure? Can someone eavesdrop the VoIP calls? This questions have also been asked by Germany's Data Protection and Information Freedom Officer Peter Schaar who has published a brochure presenting this issues and suggestion how to protect WiFi VoIP calls.

3Com and TippingPoint Receive Frost & Sullivan 2005 Award for Technology Leadership in Voice over IP Security; Companys Leadership Recognized for its VoIP Security Protection and Formation of VOIP Security Alliance

An interesting article by Joel Snyder of Network World, explains why (according to the author) VoIP from a security viewpoint is a nightmare combining the worst vulnerabilities of IP networks and voice networks. Some examples are given and a methodology for solving the VoIP security challenges is also given.