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探索安全和物联网行业的最新技术和创新。
1. 1. 应急通信设备分类1.1 1.1 卫星通信设备卫星通信设备是应急通信中的重要组成部分，能够在地面通信网络瘫痪或无法覆盖的区域提供可靠的通信保障。卫星电
IP-based video processing helps command centers, emergency vehicles, industrial parks, and dispatch rooms replace complex HDMI routing with network-based video ...
Telephone gateway selection should consider interface type, access location, wiring distance, signal environment, expansion demand, and maintenance model, not o...
FXO and E1 trunk access connect IP PBX and dispatch systems to public telephone networks. This guide compares analog lines, E1 digital trunks, call concurrency,...
IP PBX video applications extend enterprise calling beyond voice by connecting video phones, SIP video intercoms, surveillance gateways, conferencing systems, a...
RoIP gateways can connect China Mobile HeDuiJiang and similar public-network PoC intercom terminals with SIP dispatch platforms, private radio channels, IP phon...
PoC and SIP-based IP intercom are both called network intercom in some projects, but they serve different use cases. This article explains mobile PTT, fixed SIP...
Space-air-ground emergency communication combines satellite links, airborne coverage, ground radio, broadband mesh, command vehicles, sensors, and dispatch plat...
Video access gateways reduce camera SDK dependency by providing standard protocol access, stream conversion, transcoding, unified APIs, and scalable video integ...
A practical command dispatch system should be selected according to real communication tasks, terminal types, video needs, GIS mobility, alarm linkage, integrat...
ePDT and EPDT are both related to PDT development, but they serve different industries. This article explains their frequency bands, system goals, voice and dat...
Shipboard video access gateways integrate onboard cameras, video terminals, drones, underwater robots, satellite links, SIP communication, and shore command pla...
Extending an enterprise IPPBX with public network PTT, SIP trunking, smart terminals, and radio gateways helps connect office phones, mobile teams, wireless int...
