The paper presents the current development and background of the location based service.
首先,论文阐述移动定位服务的产生,以及目前的发展情况。
参考来源 - 移动定位分布式系统开发Although SIP is a newly proposed network protocol, it is able to combine all the communication capabilities into a larger scale seamlessly, like VoIP, multi-media conference, push-to-talk, locating service, online messaging and instant messaging.
SIP协议是一种新兴的网络协议,它能够将VoIP、多媒体会议、push-to-talk(按键通话)、定位服务、在线信息和即时通信等功能组合起来,形成更大规模的无缝通信服务。
参考来源 - 一种基于应用层路由的SIP穿越NAT方案设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
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