Network telephony devices, softwares and methods for...

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching

Reexamination Certificate

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C379S393000

Reexamination Certificate

active

07085263

ABSTRACT:
Devices, softwares and methods for network telephony sense if a party that has been placed on hold is talking. If it does, transmitting on hold music or other characteristic sound is discontinued. Accordingly, the other party is not annoyed, such as in a conference call scenario.

REFERENCES:
patent: 6353662 (2002-03-01), Foladare et al.
patent: 6404764 (2002-06-01), Jones et al.
patent: 6694012 (2004-02-01), Posthuma
patent: 2002/0119795 (2002-08-01), Dorenbosch
patent: 2002/0136384 (2002-09-01), McCormack et al.

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