Finally got to the bottom of this issue.
It turned out to be a faulty T1/E1 module. Replaced module and all these nasty logs disappear and no more call cut-offs
Ref previous threads:thread1329-1712580 and thread1329-1727487
Have a Mitel 3300 MXe running MCD 7.0. Users are reporting calls cutting off on answer. Sometimes NU tone is returned to the destination (answering extn or console)
Calls are inbound on Embedded E1 ISDN30 or via DPNSS. Software...
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