Spokes Known Issue with Calisto 620 and BT300: Cannot Mute in Windows Audio Mixer

Article ID : 000010488
Issue
When the Calisto 620 speakerphone is used in conjunction with the UC version of the BT300C adapter under Spokes for Windows, the device cannot be muted from the Windows Audio Mixer; when mute is selected in the Audio Mixer, it immediately changes to unmute.
Cause
By design, when used with the UC adapter, the Calisto 620 receives, but ignores, mute requests from the Windows Audio Mixer; Spokes then resets the mute state in the Audio Mixer to synchronize with the actual device state.
Workaround/Resolution
Do not mute the UC version of the Calisto 620 from the Windows Audio Mixer; instead mute from the device, softphone or media player.
Affected Operating System(s)
All versions of Windows
Affected Software Application(s)
Spokes 2.7 and later
Affected Hardware
Calisto 620 speakerphone with the BT300C Bluetooth adapter
Date Raised
11 September 2012

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