H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04M 3/42 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2534931
The present invention enables a packet-switched network, e.g., a VoIP network, to play a network announcement as to the true status of a subscribed residential user on busy or unanswered conditions. The called party can subscribe to this service feature so that callers, the calling parties, will be informed that either the user is busy or that the user is not present to receive a call.
Croak Marian
Eslambolchi Hossein
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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