组呼的英文
group calling
talkgroucall
例句与用法
- Research and analysis on the operation of voice group calling in gsm - r
中语音组呼业务的研究和分析 - Egfr mrna and protein levels in jar were significantly higher than those in normal trophoblast ( p < 0 . 01 )
妊高征组egfllin wa的表达也明显低于对照组呼功 - The 350m trunked communication system plays a significant role in daily dispatch - command in the police department . it is simple but reliable , and widely used . its calling connect is fast , continued and in high calling quality
350m集群通信系统因为其简单可靠,呼叫接续迅速,覆盖范围较大,通话效果良好,单呼、组呼、 pabx呼叫、调度呼叫等业务功能全,在公安机关的日常指挥调度工作中发挥了巨大的作用,有效的提高了公安干警的战斗力,成为科技强警的重要组成部分。 - This paper researched the network structure of the gsm - r system according to the operation requirement . according to the gsm supplementary service protocols established by etsi , this paper researched the pivotal technologies of the gsm - r system : vgcs and vbs , and at the same time designed the realization project of the vgcs vbs module . this paper also designed the service flow of the vgcs vbs call in the network side and at last validated the function of the module with the specific testing tool
本文针对gsm - r系统的业务需求对gsm - r系统的网络结构进行了分析和研究;参照etsi制定的gsm补充业务相关协议,深入研究分析了gsm - r系统中的关键技术:语音广播呼叫( vbs )和语音组呼( vgcs ) ,同时参考现有的zxg10 - msc系统(中兴公司基于g10交换机的移动交换系统)进行了vgcs / vbs模块的方案设计,并详细规划了vgcs和vbs功能在网络侧的业务流程,最后使用测试工具对模块的功能进行了验证。 - W is a digiul trunkin mobile cominunhaon system based on mma forhnology it offers group call diw w m wion ( dmo ) , duplex phone tall , padri data sehece , short data service and so on . tetw supports air interface and end - bend encrypon . tem is not only a fit private system for dispateh cominedcation of the polieq fire servce " w ha wtport , city tiwhc eto , but also for ule project reqthements of the public tw communication system
Tetra是一种基于时分复用( tdma )技术的数字集群移动通信系统，它可以提供组呼调度、脱网直通( dmo ) 、企双工电话、分组数据服务、数据短信息服务等业务，支持空中接口加密和端到端加密功能，既适合公安、消防、机场、铁路、城市交通管理等专业部门调度指挥专用，也可满足社会共用集群网的设计要求。
