发明名称 METHOD AND APPARATUS FOR VOICE OVER INTERNET PROTOCOL TELEPHONY USING A VIRTUAL PRIVATE NETWORK.
摘要 <p>An apparatus and methods for utilizing a Voice over Internet Protocol (VoIP) telephone with a built-in VPN client is disclosed. A VoIP telephone with an internal VPN client module incorporated into the VoIP telephone establishes a VPN tunnel directly from the VoIP telephone VPN client to an IP-PBX network access point. A VPN session, established in response to keypad input from a user of the VoIP telephone, is conducted over the VPN tunnel to a remote location. In a disclosed method, a secured VoIP telephone communication link is established by receiving a request from a user of the VoIP telephone, processing the request, and sending a signal from the VoIP telephone unit's VPN client over a data interface to a remote location. After exchange of authentication messages between the VoIP telephone VPN client and a remote location's VPN server, a VPN session is established.</p>
申请公布号 MXPA05012423(A) 申请公布日期 2006.02.13
申请号 MX2005PA12423 申请日期 2004.05.17
申请人 SBC KNOWLEDGE VENTURES, LP. 发明人 BROWN, CARLTON L.
分类号 G06F;H04L29/06;H04M3/42;H04M7/00;(IPC1-7):G06F00/00 主分类号 G06F
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