2 options:
-make a rotating SLP60 calltrace and let the customer inform you when a cut-off has happened so you can stop the call trace.
- in case of 1 PRA, put an ISDN monitoring device inbetween the PBX and the provider.
make sure that the customer notes the exact time/CLIP when the cut-off occurs so you can isolate the call.
These problems are usually provider or inter-provider related, the problem is always that you need to prove that their equipment is in fault and not the MD110 (which is 99% of the cases). Ask the provider if they can monitor the PRA so they also have extra logging , this is easier for them to pinpoint the problem call from their side.
/Daddy
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