Multimedia communication control unit as a secure device for multimedia communication between LAN users and other network users
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United States of America Patent
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Apr 22, 2014
Issued Date -
N/A
app pub date -
Aug 14, 2001
filing date -
Aug 15, 2000
priority date (Note) -
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Abstract
A system and method for providing multimedia communication between a firewall protected, LAN based endpoint and an endpoint that is external to the LAN. A logical port of a multimedia communications control unit is attached to the LAN behind the firewall. Another logical port of the multimedia communications control unit is attached to the external endpoint. Multimedia communication data, consisting of call management data and media data, can be exchanged between the endpoints via the multimedia communications control unit. The multimedia communications control unit allows only multimedia communication data that strictly adheres to a particular communications protocol to pass through. Thus, the security afforded by the firewall is not compromised.
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