Cisco technote 214152 says SIP trunk CMR generation is not supported for Session Management Edition call flows.

Checked 2026-09-22

This feature is not supported for SME call flows: Upon receiving call statistics from CUBE/IOS GW on SME,CUCM will generate CMR (provided CMR is enabled) for trunk side, but it won’t be able to forward call statistics to other nodes in outgoing BYE or 200OK for BYE.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
CMR generation
Deployment
on-premises
Region
not restricted
Release range
12.5 and later
Checked
2026-09-22

Sources

Cite this note

APA

WarmTransfer. (2026, September 22). CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-sip-trunk-no-sme. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-management-records-sip-trunk-no-sme

BibTeX

@misc{warmtransfer-claim-cucm-call-management-records-sip-trunk-no-sme,
  title  = {CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-sip-trunk-no-sme},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-call-management-records-sip-trunk-no-sme},
  note   = {Source note cucm-call-management-records-sip-trunk-no-sme, checked 2026-09-22}
}

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