An easy way to troubleshoot this is to just swap two ONS cards and see if the trouble moves. That will eliminate the ONS card. It could be a crud filled jack, but it is odd that it ONLY dials 911. It seems to me if it were chattering relays or crud covered jacks that there would be all kinds of dialing occurring. Maybe there is and the only time it is noticed is when it gets the 911 string.

Rcaman


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