Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2003-12-19
2009-12-01
Cho, Hong (Department: 2419)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S389000, C380S042000, C709S231000, C713S150000
Reexamination Certificate
active
07626977
ABSTRACT:
Sensitive, Standard Telephone Equipment (STE) data is encapsulated into IP packets in a remotely deployed, secure communication system. The IP packets are addressed to a matching IP encapsulator/decapsulator device over the public Internet or other IP protocol network, that then passes it to a similar STE device over an ISDN link for decryption. The present invention is embodied in a system that provides secure Voice-Over-IP (VOIP), video and data network functionality in a single, small size deployable case, to a remote user. Most importantly, the embodiment allows for the routing of bulk encrypted (i.e., secure) data over a public network, e.g., the Internet.
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Bollman William H.
Cho Hong
Scheibel Robert C
TeleCommunication Systems Inc.
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