Plantronics technical assistance center, Parts & accessories, Troubleshooting – Plantronics DuoPro User Manual
Page 7: Callers cannot hear me, I cannot hear callers, Verify that the quick disconnect™ is connected, Make sure the headset is positioned properly, Fit is uncomfortable

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6
P/N 29960-01 Clear P/N 29960-50 Peaceful Purple
The voice tube should be replaced every six
to nine months.
Attaches to headset and is used to keep
the headset stabilized and comfortable
over-the-ear.
Attaches to headset and is used to keep
the headset stabilized and comfortable
over-the-head.
Covers, protects, and makes the headset
comfortable against the ear. Replace every
six months.
Plantronics Technical Assistance Center
For assistance and accessibility information call
the Plantronics Technical Assistance Center (TAC)
831.458.7700 x5538 Sunday 5 p.m. till Friday 5 p.m.
Pacific Standard Time or visit the Customer Support section
of our website at www.plantronics.com or contact your
local distributor.