Invention Grant
US07929679B2 Muting conference call hold music 有权
静音电话会议保持音乐

Muting conference call hold music
Abstract:
A switching system that provides conference call functionality can mute music played into the conference call by the muting of a conference call participant. The muting of conference call music can be accomplished by controlling the switch's connection to a music on hold source or by controlling the music on hold device.
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