H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 3/58 (2006.01) H04L 12/66 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2528954
The present invention enables users of packet-switched network services, e.g., VoIP network services, to hear a very gentle whispering tone that quietly conveys the identity of the calling party when they are engaged in conversation and to receive a call-waiting signal. The tone is audible only to the called party but does not mute the ongoing conversation path. This enables subscribed users to hear their ongoing conversation while receiving the whispering tone.
Croak Marian
Eslambolchi Hossein
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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