[asterisk-users] Sangoma A400 background noise after a while

[M Shokuie]

Dear folks,

We have recently installed A400D card with 12 FXO modules, the serer is HP
DL180 G6, cards works fine but after a while all the calls get an awful
noise, you can not get what each side says. The noise cleares as soon as we
restart wanrouter but not asterisk (i mean asterisk restart does not solve).
We previsouly confronted this situation with PRI cards but not analogs,
wanpipe version is 3.5.18 and zaptel 1.4.12 also tested with recent DAHDI
with out any help. ifconfig doesnt show any overruns or errors. Once earlier
we had the same problem and come to the conclusion to change the mainboard
but this time i got mad as i couldnt change a 3000$ HP server that easy.

Is there a way i could get if there is any problem of interrupts, when i
check interrupts i could not see any shared interrupts for Snagoma card.

Anyhelp would be highly appreciated.
--
MSH
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