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Problem Solution
I cannot hear caller.
• The USB adapter is not set as the default
audio device. Use the Audio settings
in Windows under Sounds and Audio
Devices to select “Plantronics C610/
C620” as the audio device.
• Listening volume is too low. Press the
volume up button on the headset.
Callers cannot hear me.
• Headset is muted. Press the mute
button on headset to unmute the
microphone.
• Headset microphone boom aligned
incorrectly. Align the headset boom with
your mouth.
• The USB adapter is not set as the
default Voice device. Use the Voice
settings in Windows under Sounds and
Voice Devices to select “Plantronics
C610/C620” as the voice device.
Sound in headset is distorted.
I can hear echo in headset.
• Lower the listen volume on your
softphone until the distortion disappears.
• Adjust volume on headset.
The other headset I was using to
listen to music does not work any
more.
• The USB adapter will set itself as the
default audio device in Windows. Use
the Audio settings in Windows under
Sounds and Audio Devices to change
the device used for audio.
My headset stops responding
to button presses.
• When a PC goes into standby or
hibernation, the USB adapter no longer
is powered on. Be sure your PC is in an
active state.
My headset does not work
with the headset I am using on my
PC. (I cannot answer or disconnect
from the headset call button).
• Check compatibility list on www.
plantronics.com/personocall to ensure
your softphone is compatible for remote
answer and disconnect.
• When a PC goes into standby or
hibernation, the USB adapter is no longer
powered on. Be sure your PC is in an
active state.
• Be sure PerSono Suite software is
installed and running.
TROUBLESHOOTING
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©2009 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Blackwire, PerSono Suite, and Sound
Innovation are trademarks or registered trademarks of Plantronics, Inc. All other trademarks are the property of their
respective owners.
Patents EM 001024681-0001; 001024681-0002; Patents Pending
83001-22 (11.09)
Plantronics, Inc.
345 Encinal Street
Santa Cruz, CA 95060
United States
Tel: 800-789-4971
www.plantronics.com
For product support contact us at www.plantronics.com/support.