Systems, devices, and methods for communication system that includes a mobile application (software) installed on a user mobile device, a communications gateway, capable of performing EAP-SIM and/or EAP-AKA WPA2 wireless authentication & authorization, a Ground-based gateway, capable of proxying RADIUS messages, handling SIP communications and SMPP (SMS) messaging, and an integrated communications gateway platform (ICP), capable of performing the functions of a BTS, VLR and SIP/SMPP communications router. The systems, devices and methods allows for vehicle passengers, such as aircraft passengers the capability to use their mobile communication devices, such as smart phones and their smart phone numbers to send and receive calls and text messages to remote communication devices anywhere in the world while on the aircraft, wherein the remote communication devices display the phone numbers of the mobile communication devices.