Voice firewall

Details Voice firewall Voice firewall

2006-08-29

2006-08-29

Revak, Christopher (Department: 2136)

Information security

Access control or authentication

Network

C709S238000, C709S227000, C709S220000, C370S254000

Reexamination Certificate

active

07100202

ABSTRACT:
A voice firewall for providing communication between a user endpoint at a user location and a provider endpoint at a provider location is provided. The voice firewall includes a command input port for receiving a connect command that includes a private connection address embedded within a data portion of the connect command. The voice firewall is configured to manipulate the connect command by substituting a public connection address for the private connection address. The voice firewall also includes a voice communication port that is associated with the private connection address on a private side of the firewall and the public connection address on a public side of the voice firewall.

REFERENCES:
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patent: 6711618 (2004-03-01), Danner et al.
patent: 6718030 (2004-04-01), Turner et al.
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patent: 6868080 (2005-03-01), Umansky et al.
patent: 6883015 (2005-04-01), Geen et al.
patent: 2002/0035699 (2002-03-01), Crosbie
patent: 2004/0210674 (2004-10-01), Gbadegesin

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