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conference call

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planet910

Technical User
Jan 22, 2007
17
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US
when attempting to setup a two line conference call on a R7, after making the second call and pushing the conference button all parties ear a high pitched tone come across the handsets. Any suggestions on how to handle this?

thanks
 
185a attenuator. This was covered many times in the past. To bad the search engine doesn't work.
 
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