Our business deploys several Plantronics cs55 model headsets, recently we upgraded our nortell phone system to Cisco. We are using the Cisco 7941 model phone with the headsets, A majority of them are working with out issue, but there are a few complaints that when a call comes in and it is answered on the plantronics cs55 headset, the calling party hears themselves as an echo, it usually corrects itself within 30 seconds but is extreamly unprofressional and frustrating for the users. I have tested every possible levels setting on the headset both speaker volume as well as reciever and have not been able to resolve this issue, any suggestions would be appreciated
Echo is usually caused by the transmit (speak) level on the unit being
set too high.
1. First, try lowering the volume of the telephone. If you
still hear an echo, adjust the volume of the headset itself.
2. The master
transmit controls of the headset are the ABCD switch settings on the
bottom of the base. A is the lowest and D is the highest setting.
3. You
can fine tune this setting with the plus (+) and minus (-) buttons on
the back of the charging base.
4. If this doesn't fix the echo, try moving
the configuration dial on the left side of the charging base. The
recommended setting for most phones is 1.
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