Inventor
FREY ALAN EUGENE
US5 patents
Patents
5 patentsUS5848128ADec 8, 1998
Telecommunications call preservation in the presence of control failure
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US5940491AAug 17, 1999
Control of telecommunications networks
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US6539090B1Mar 25, 2003
Generalized arrangement for routing telecommunications calls
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US6940846B1Sep 6, 2005
Method and apparatus for implementing feature assist on a telecommunication network
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US6847639B2Jan 25, 2005
Managing feature interaction among a plurality of independent feature servers in telecommunications servers
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