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a102
2007 Jan 30
1
One-way audio after several minutes 1.4.0
...This
happens several minutes into the call, and it is very intermittent
(infrequent). It does not happen on inter-office calls but only on
calls to/from the PSTN.
Occasionally, a spurt of white noise precedes the drop-out much like a
cell phone drop-out.
One site uses one port of a Sangoma A102X (PCI-X). Another site uses a
TE110P. The third site uses a TDM04B (with a TDM10B for the fax
machine). All sites operate normally except for this intermittent problem.
Each machine has its USB drivers removed, and there is no sharing of
interrupts. I've set interrupt latency on the NICs...