Mechanism for implementing Voice Over IP telephony behind...

Details Mechanism for implementing Voice Over IP telephony behind... Mechanism for implementing Voice Over IP telephony behind...

2006-03-07

2006-03-07

Vincent, David (Department: 3628)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S409000, C713S153000

Reexamination Certificate

active

07009984

ABSTRACT:
According to one embodiment, a network is disclosed. The network includes a first Voice Over Internet Protocol (VOIP) station a first communication medium coupled to the VOIP station a router, coupled to the first communication, that includes a network address translation (NAT) firewall, a second communication medium coupled to the router and a public proxy/gatekeeper (PPG) coupled to the second communication. The PPG masquerades un-translated NAT IP addresses received from the first VOIP station.

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Comer, W., Internetworking with TCP/IP, 2000, Prentice Hall, 4th edition, vol. 1, PP:394-400.
Comer, W., Internetworking with TCP/IP, 2000, Prentice Hall, 4thedition, volum 1, PP:394-400.

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