Please see the link below for the User's Guide.
ā¢ Headset is muted. Long press (3 sec.) the volume down button on headset to unmute the microphone. See page 16.
ā¢ Improper positioning of voice tube. Try various other positions.
ā¢ Voice tube may be clogged. Remove voice tube and test to see if callers can hear you without it. If they can, then replace the clogged voice tube. See page 18.
ā¢ Speaking volume is too low. Increase the speaking volume by
adjusting the speaking volume minor adjust buttons on the base unit as described on page 16. If the volume is still too low, select another speaking volume major adjust setting as described on page 16.
ā¢ Incorrect configuration dial setting for your phone. Try other
phone configuration dial settings on the base unit. Ensure the
selected number is in line with the position indicator. See page 14.
Plantronics CS70 User's GuideGood luck from
Headsets Direct!
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