4) emergency call
紧急呼叫
1.
It is a requirement to accept as many VoIP calls as possible, how- ever, it is obligatory to provide high quality service for emergency call in limited bandwidth.
紧急呼叫在Internet上是一个非常重要的任务,在有限带宽情况下尽可能多地接受VoIP呼叫是必要的;但同时为紧急呼叫提供高质量的服务也是必须的。
2.
Based on three emergency call architecture models proposed by IETF Erict Working Group,how the models could be mapped on the WiMAX architecture is analyzed.
5的标准工作正在积极地、有条不紊地开展着,其中支持紧急呼叫是R1。
3.
First,the paper studies the architecture model and functional entities of IMS emergency calls.
3G PPR7规范引入了基于IMS的紧急呼叫,支持紧急呼叫业务是IMS网络必须具备的基本能力之一。
5) wireless calling serving system
无线呼叫服务系统
补充资料：无线电通信波段(见无线电通信)
无线电通信波段(见无线电通信)
radio communication wave range
wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条