A ship's internal communication system is a crucial component of its overall communications infrastructure. It enables secure and reliable communication between naval vessels and shore-based command centers, allowing for the rapid transmission of critical information and orders. This system is designed to operate in a variety of conditions, including during combat operations and in adverse weather conditions. It is equipped with advanced encryption and authentication technologies to ensure that all communications are secure and cannot be intercepted or compromised by hostile actors. Internal Communication Systems (ICS) are usually created to offer smooth communication inside a vessel as well as exterior communication with other vessels using fixed voice terminals and mobile devices.