INTRODUCTION In today’s world, Mobile phone is the most popular communication device in the world. With productivity enhanced by mobile communication specifically with rise of BYOD and lack of control over the infrastructure, there are risks to cooperate assets, privacy, confidentiality and regularity compliance; and phone conversations are strongly vulnerable to various threats. In fact, voice interception regardless of network standard (PSTN, GSM, 3G, LTE etc.), is unfortunately the proven fact and not a myth. This solution consists of a system installed on android mobile phones, and the sub system of this solution contains a secure call center. The voice calls can be secured, archived and traced. Secure mobile is capable of providing secure channels with using strong cryptographic mechanism for confidential and authenticated speech. This product acts as a real time and full duplex system and transfers encrypted voice signals via internet network by a private secure server. SPECIFICATIONS ● Secure voice conversation and Man-In-The-Middle attack protection ● High degree of security, control of calls, user management and real time speech with high voice quality and very low latency ● End to end encryption with strong and native cipher algorithm ● Executable on android 4.1 OS or later and any type of data network (GSM, 3G, 4G, LTE etc.) ● Simplicity and compatibility ● Private secure server for customers