For on-net call legs Unified CM determines the cause code value and for off-net legs the far-end switch determines it, so a cause on an off-net leg is a foreign network's statement carried through rather than Unified CM's own diagnosis.

fact · verified 2026-09-15

For On Net call legs, the Unified Communications Manager determines the cause code value. For Off Net call legs, the far-end switch determines the cause code value.
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-on-net-and-off-net-causes-have-different-authors. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucmcdr-on-net-and-off-net-causes-have-different-authors

BibTeX

@misc{warmtransfer-claim-cucmcdr-on-net-and-off-net-causes-have-different-authors,
  title  = {CUCM CDR and CMR field reference: claim cucmcdr-on-net-and-off-net-causes-have-different-authors},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucmcdr-on-net-and-off-net-causes-have-different-authors},
  note   = {Claim cucmcdr-on-net-and-off-net-causes-have-different-authors, verified 2026-09-15}
}

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