I decoded the tracebacks and they are related to TCP sockets and retransmissions, and h225/h245. I also didn't see any bugs, internal nor external.
I'd suggest you open a case regarding this. It would also be of benefit to collect the following during an error, to identify root cause.
debug voip ccapi inout
debug ip tcp trans
debug cch323 all
debug h225 asn1
debug h245 ans1
Router(config)# service sequence Router(config)# service timestamps debug datetime msec Router(config)# logging buffered 10000000 7 Router(config)# no logging con Router(config)# no logging mon Router(config)# voice iec syslog Router# term len 0 Router# sh logg
Are you running NAT and CME on this box? I did find that this had similar errors:
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
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