“Verizon's New, Encrypted Calling App Plays Nice With the NSA”
Cellcrypt and Verizon both say that law enforcement agencies will be able to access communications that take place over Voice Cypher, so long as they're able to prove that there's a legitimate law enforcement reason for doing so. Seth Polansky, Cellcrypt's vice president for North America, disputes the idea that building technology to allow wiretapping is a security risk. “It's only creating a weakness for government agencies,” he says. “Just because a government access option exists, it doesn't mean other companies can access it.”
You can find a report on Businessweek.