Mute status reminder for a communication device

Telephonic communications – Special services – Service trigger

Reexamination Certificate

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Details

C379S163000, C379S164000, C379S393000, C379S421000

Reexamination Certificate

active

06870919

ABSTRACT:
According to some embodiments, a mute status reminder is provided for a communication device.

REFERENCES:
patent: 3568176 (1971-03-01), Schouest
patent: 3806665 (1974-04-01), Goldberg
patent: 4731822 (1988-03-01), Berry et al.
patent: 6763102 (2004-07-01), Chen et al.
patent: 20030194072 (2003-10-01), MacNamara et al.

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