Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-11-30
2010-12-14
Addy, Thjuan K (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C379S188000, C379S196000
Reexamination Certificate
active
07852832
ABSTRACT:
A method and apparatus for enabling a network provider to provide a security server in a packet network, e.g., a VoIP network that allows a third party partner to interface an application server hosted in the third party's network with the VoIP network infrastructure are disclosed. The security server provides the appropriate level of network address translations, firewall support, content filtering, and validation for the third party application server.
REFERENCES:
patent: 7440442 (2008-10-01), Grabelsky et al.
patent: 2003/0235281 (2003-12-01), Williams et al.
Croak Marian
Eslambolchi Hossein
Addy Thjuan K
AT&T Intellectual Property II L.P.
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