发明名称 SYSTEM FOR REGISTRATION OF COMMUNICATION DEVICES
摘要 A system that incorporates teachings of the present disclosure may include, for example, a mobile voice over internet protocol communication device, comprising a controller operable to register with a voice over internet protocol call processing system by way of a wireless fidelity access point operating in a cluster of wireless fidelity access points, and re-register with the voice over Internet Protocol call processing system by way of the wireless fidelity access point in response to receiving a re-registration request upon expiration of a timer having a period determined from one or more usage characteristics of the cluster by the mobile voice over Internet Protocol communication device. Additional embodiments are disclosed.
申请公布号 US2011194496(A1) 申请公布日期 2011.08.11
申请号 US201113090409 申请日期 2011.04.20
申请人 AT&T INTELLECTUAL PROPERTY I, LP 发明人 WU XIDONG;ZHANG DONGGEN;ZHANG HAIBO
分类号 H04W4/12 主分类号 H04W4/12
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