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US 2010/0303214 A1Published application
One-way voice detection voicemail
AssigneeAlcatel-Lucent USA, Incorportaed
InventorsStuart O. Goldman, Anil P. Macwan, Karl F. Rauscher, RIchard E. Krock
Life of this patent
Estimating the term…
Abstract
A telephone answering system includes a receiver, a detector and a transmitter. The receiver is configured to receive a voice signal. The detector is adapted to detect voice activity on the signal. The transmitter is adapted to transmit an initial prompt. In the event that the detector detects a gap in the voice activity after the initial prompt, transmitter is configured to transmit a notice.
Claims23
A telephone answering system, comprising:
- a receiver configured to receive a voice signal;
- a detector adapted to detect voice activity on said signal;
- and
- a transmitter adapted to transmit an initial prompt, and in the event that said detector detects a gap in said detected voice activity after said initial prompt, to transmit a notice.
1 more element
A method of telephone communication, comprising:
- transmitting an initial prompt;
- determining if voice activity is present on a voice channel;
- and
- transmitting a notice in the event that said determining detects a gap in said voice activity after said initial prompt.
1 more element
A calling system, comprising:
- a controller configured to place a telephone call;
- a receiver configured to receive a transmit path failure tone in response to said call;
- and
- a tone detector configured to provide an alert in response to said tone.
1 more element
Dependencies are inferred from the claim text.