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Echo/quality issues on IP 500 IP phones

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whiterock

IS-IT--Management
Sep 27, 2005
5
US
We had echo/quality issues on 5621SW IP phones on an IP 500. A crackling deterioration on the near side only on outside calls. After extensive troubleshooting we found the culprit to be the IP 500 VCM 32( We replaced it a number of times they all produced the same result). We overcame by using a legacy card carrier with a legacy 4 port VCM.

Has anyone else experienced a problem using the IP 500 VCM 32?
 
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