Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2006-06-12
2011-11-01
Addy, Thjuan K (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S037000, C379S355030, C379S355090, C379S355100, C379S357030
Reexamination Certificate
active
08050395
ABSTRACT:
An analog telephone adapter (ATA) comprises a dial tone generator, control logic and a packet generator. The dial tone generator generates a dial tone when the ATA is in an unregistered state. The control logic processes a dial-out request when the ATA is in the unregistered state. The control logic directs the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
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Bi Haifeng
Dailey Robert F.
Parolkar Satish Jaganath
Varughese Saji
Yasrebi Mehrad
Addy Thjuan K
AT&T Intellectual Property I L.P.
Toler Law Group
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