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No sound through HW251N with CP-7841 and A10/U10

roughriduz
Level 1
Level 1

We have CP-7841 phones and ordered new heqadset to use with them.  The Plantronics HW251N headsets were ordered with U10 adapters which did not work.  Ordering A10 adapters yielded the same result.  Both have a slight high pitch sound when pressing the headset button but no voice or any other sound is being transmitted through them.

Any ideas on this?

1 Reply 1

roughriduz
Level 1
Level 1

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