Ironclad Encryption Corporation announced it has engaged A.O. International II, Inc. to co-develop the ICE Box SCA 1 (Secure Communication Appliance). The ICE Box SCA 1 is a gateway for Ironclad’s patented and hardened encryption key management system. This project will connect Ironclad’s suite of ultra-secure and ultra-rugged mobile handsets currently being developed for enterprise markets to PBX /Call Manager systems.