The well-publicised tapping of German Chancellor Angela Merkel's phone revealed the extent and power of interception. "You need to protect voice," he said.
At that time, Secusmart customers were mostly European governments. Now, governments on five continents use the products.
Designed for productivity and ease of use, Secusmart takes advantage of the military-grade hardware in BlackBerry handsets, which it can apply seamlessly to all communications.
Forthcoming products will variously provide compliance with US NIAP (National Information Assurance Partnership) protection profiles, and new hardware supporting custom cryptography via a smartcard.
While enterprises do need secure voice, their different characteristics - especially the desire for BYOD and the need for much wider deployments. So BlackBerry developed a hosted system called Secure Call, which is initially available only from Vodafone Germany as Vodafone Secure Call.
Earlier this year, BlackBerry Secusmart Secure Voice senior vice president Hans-Christoph Quelle said "We worked quickly with Vodafone Germany to bring Secure Call to the marketplace and ensure that we could deliver a cost-effective, cross-platform solution that is easy to implement."
Disclosure: The writer travelled to New York as a guest of BlackBerry.