Title : Satellite based VHF PTT RoIP (Radio over IP) Solution

AddPac Technology’s satellite based VHF RoIP (Radio over IP) solution is an IP extension PTT (Push to Talk) call service solution for VHF radio network environments such as existing radio device network, for example, Motorola radio, etc. Especially, this satellite IP based VHF radio PTT solution is applicable in various ship like as patrol ship, destroyer, etc or mobile vehicle.

Satellite based RoIP PTT group call solution is composed of IPNext180PTT call manager, LMR(Land-to-Mobile Radio) gateways for radio extension, AP-VP300PTT PTT control terminal, and network management system NMS (Network Management System).

IPNext180PTT call manager supports SIP call manager function and PTT server function concurrently. This system is compact size and designed with embedded RISC processor and real-time OS(operating system) for low power consumption and high reliability. In addition, this system supports active-standby fault tolerant service architecture using dual IPNext180PTT call manager as option. Using satellite internet VHF RoIP solution, land side headquarter provides situation control, language conversation service with other country’s ship via VHF radio in remote side, for example, commercial ship, military patrol ship, coast guard ship, etc.

AddPac RoIP group call solution is designed on the basis of IP network to support 1:1 and PTT group call service in any places. It allows saving communication costs with VoIP technology. The main advantage of this device is that it supports radio device network function so that user can maintain existing radio device network system and merits. It also supports group call service by expanding the radio device network coverage to worldwide VoIP network. 

It is designed to expand wired/wireless PTT service users by increasing the number of PTT server. It uses the verified standard VoIP signaling system so that it has both excellent compatibility and scalability.