Understanding and Troubleshooting CUCM CDR and CAR

CDR is not my favourite topic, but yes they are important and people make a lot of noise when things go wrong.  CAR can be a great tool for troubleshooting.  Some good links on this below.


CUCM CDR Overview:


I really recommend that some is spent understand the CDR Architecture and Services for CUCM for clustered environments.


Troubleshooting CDRs:



Managed Service Alerts – Start of CAR:



CDR Administration Guide:



Managed Service Alerts – Start of CDR:




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