Recorded calls are getting bad after 2.40 minutes (ANDTek)
I have got a problem with recording at a CUCM 9. The problem only occurs when a call comes/goes directly from the PSTN to the recorded phone. In this case the call gets recorded normally and after 2.40 minutes we get a drop of every 2nd packet.
Internal calls are not affected. Also when a internal phone is called from PSTN and gets transfered to a recorded phone it works fine. We proved that the problem is not on the ANDTek side.
I figured out that the streams are going over the MTPs and when this happens the recordings are going bad.
Had the same issue last month which started after our upgrade to CUCM 9 but we are not doing recording instead live monitoring where audio gets garbled after exactly 2:47 minutes. Resolved with TAC by configuring IOS MTP and use that as primary in MRGL. Might work for you too.
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