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Conference High Pitch during Meetme conference calls

Hi, I'm using PVDM-2's for DSP resources for conference calls however I'm getting a extremely high pitch tone which makes the conference calls unusable. When I use configure CUCM for conference's it works fine so there something going on with the Hardware CFB. Anybody run into something like this before? Regular calls via the PSTN work fine so the DSP's seem okay for those calls. Thank you....

  • IP Telephony
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