[asterisk-users] TDM2400 card FXS problems

[Noah I. Engelberth]

We have a recently deployed server with a new TDM2400 card that will not put dialtone or audio on FXS ports after the physical server restarts (though they will ring if called, there's just no audio on the line if the phone at the other end picks up).  The symptom can be resolved by stopping Asterisk, restarting DAHDI, and then restarting Asterisk.  So far, this has happened on both times the server has been restarted (once planned, once unplanned) since the system was deployed and the phone lines were punched down to the block that is connected to the TDM card.

Does anyone have suggestions on where I should start trying to troubleshoot the root cause of the FXS problem?  Obviously having to manually restart Asterisk/DAHDI every time the server reboots isn't a practical long term solution.

Thank you,

Noah Engelberth
Direct Link Computer Systems
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