We're experiencing loss of voice inbound approx. once every 7 or so days. Initially it was once every 2 hours, however we have progressively updated the gateway and instrument code until this current statistical performance.
The gateway is a 3745 running 12.2(15)T5 the instruments are 7960 & 7940 with a load file of P00305000101. The break in the in-bound voice session is greater than 5 seconds.
Thanks for your response, I have QRT active and being used, I also have SDL & CCM trace files active, there are no obvious issues.
I've also used CAPRIPPER & experimented with the Cisco RTPPARSER.DLL but find the Microsoft RTP parser better.
Overall it appears to be an IP phone and or gateway based problem - I'm waiting for newer code as the common theme appears to be call break-up in the last two phone code revision as well as gateway code.
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