For the last few weeks I have been strugging with an intermittent voice T1 drop. About 2-3 times a week I will get an alert (sample included below) showing I have a D Channel drop on circuit 80000 (S0/0/0:23). To eliminate a cross-connect issue, I switched the cross-connects at the carrier's smart jacks. After the switch the issue stays on circuit 80000 but now shows up on my router as S0/0/1:23. This tells me the issue can't be related to my router and it can't be related to the cross-connects. While the drops are short, they do drop all the calls in progress on that circuit (very bad for business). The telco seems unable to find any issues. Am I missing anything? Any help would be appreciated.
1. I have 4 voice T1s (Carrier circuit 80000, 80001, 80002, 80003)
2. The circuits were connected to my router as follows
80000 - S0/0/0:23 - Now switched to S0/0/1:23
80001 - S0/0/1:23 - Now switched to S0/0/0:23
80002 - S0/1/0:23
80003 - S0/1/1:23
3. I have SNMP traps set to report to my OpenNMS server
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