Welcome to GTRA

Cellcrypt is the leading provider of military-grade voice call encryption on everyday smartphones. Governments and corporate enterprises use its flagship product - Cellcrypt Mobile™ - worldwide. Founded in 2005, Cellcrypt's R&D innovation resulted in Encrypted Mobile Content Protocol (EMCP), an Internet Protocol (IP) based technology that optimizes delivery of encrypted data between mobile devices over wireless networks. EMCP solves the technical challenge of delivering reliable high-performance encryption of voice data over networks with low bandwidth and varying connectivity.