作者: Dan Teodosiu , Lon-Chan Chu , Vinay Gupta , Xiaoyong Liu
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摘要: A call is established between a user at mobile device and contact logged into communication service through computer application. selects page displayed on device. The may be an email address, messaging username, or some other than phone number. registration record with the data generated network server. places to VoIP system, system receives call, retrieves establishes audio connection cell application which service. hybrid consisting of voice caller's gateway system.