The originating cause is populated when the originating party releases the call and the destination cause when the terminating party releases it or the call is rejected, and an unpopulated cause field shows zero, so which of the two fields is non-zero says which end ended the call.

fact · verified 2026-09-15

When the originating party releases the call, the OrigCause gets populated. When the terminating party releases the call, or the call is rejected, the DestCause gets populated. When unpopulated, the cause code value shows zero.
Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
Call detail records
Deployment
on-premises
Region
not restricted
Release range
Release 12.5(1)
Status
fact
Confidence
0.90
Verified
2026-09-15

Sources

Cite this claim

APA

WarmTransfer. (2026, September 15). CUCM CDR and CMR field reference: claim cucmcdr-cause-is-set-by-whichever-party-released. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucmcdr-cause-is-set-by-whichever-party-released

BibTeX

@misc{warmtransfer-claim-cucmcdr-cause-is-set-by-whichever-party-released,
  title  = {CUCM CDR and CMR field reference: claim cucmcdr-cause-is-set-by-whichever-party-released},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucmcdr-cause-is-set-by-whichever-party-released},
  note   = {Claim cucmcdr-cause-is-set-by-whichever-party-released, verified 2026-09-15}
}

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