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static on 4224 fx0 cards

I just upgraded a 4224 to 12.2(2)YC. On outgoing calls through a fx0 card (not M1) intermittent static can be heard, but only by the ip phone user. This doesn't occur on inbound calls and doesn't occur on digital t1-cas pstn trunks. Any ideas?

1 REPLY

Re: static on 4224 fx0 cards

Often times complex troubleshooting issues are best addressed in an interactive session with one of our trained technical assistance engineers. While other forum users may be able to help, it’s often difficult to do so for this type of issue.

To utilize the resources at our Technical Assistance Center, please visit http://www.cisco.com/tac and to open a case with one of our TAC engineers, visit http://www.cisco.com/tac/caseopen

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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