Method and apparatus for Voice over Internet Protocol...

Details Method and apparatus for Voice over Internet Protocol... Method and apparatus for Voice over Internet Protocol...

2003-06-19

2010-10-05

Sing, Simon (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C379S088170

Reexamination Certificate

active

07808974

ABSTRACT:
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.

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