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AddPac Technology Radio over IP solution is a PTT group call service total solution which can be used under various wire/wireless environments such as 3G smart phone (mVoIP) and existing radio device network. Especially, AddPac LMR VoIP Gateway supports Radio over IP service for existing Radio Device like as Motorola Radio System. (VoIP/E&M style Radio Interface -> Radio System).
SIP based RoIP PTT group call solution is composed of IPNext3000, AP-PTS3000 PTT server, LMR(Land-to-Mobile Radio) Gateways, PTT IP phone, and network management system NMS (Network Management System).
SIP based RoIP PTT group call solution is composed of IPNext3000, AP-PTS3000 PTT server, LMR(Land-to-Mobile Radio) Gateways, PTT IP phone, and network management system NMS (Network Management System).
AddPac RoIP PTT group call solution is designed on the basis of IP network to support 1:1 and group call service in any places. 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 PTT group call service by expanding the radio device network coverage to worldwide via internet by using VoIP Technology.
System Interface between LMR Gateway and Radio System
LMR Gateway Comparison Table
Network Diagram
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