Design and implementation of a mobile VoIP system on Android
Electronics and Telecommunications（2014）
摘要
The paper presents a secure solution that provides VoIP service for mobile users, handling both pre-call and mid-call mobility. Pre-call mobility is implemented using a presence server that acts as a DNS for the moving users. Our approach also detects any change in the attachment point of the moving users and transmits it to the peer entity by in band signaling using socket communications. For true mid-call mobility we also employ buffering techniques that store packets for the duration of the signaling procedure. The solution was implemented for Android devices and it uses ASP technology for the server part.
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关键词
android (operating system),internet telephony,mobility management (mobile radio),peer-to-peer computing,asp technology,android devices,dns,voip service,buffering techniques,in band signaling,mobile voip system,mobile users,moving users,peer entity,pre-call mobility,signaling procedure,socket communications,true mid-call mobility,android,voip,encryption,mobility,sockets
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