Unified CM assigns a globalCallID_callId value to each call, and the CDR also carries globalCallID_callManagerId (the Unified CM node identity) and globalCallId_ClusterId (the cluster identity).

Checked 2026-09-24

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
CDR fields
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Cross-platform CDR normalization model: source note cdr-normalization-cucm-global-call-id. WarmTransfer. https://warmtransfer.net/knowledge/claims/cdr-normalization-cucm-global-call-id

BibTeX

@misc{warmtransfer-claim-cdr-normalization-cucm-global-call-id,
  title  = {Cross-platform CDR normalization model: source note cdr-normalization-cucm-global-call-id},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cdr-normalization-cucm-global-call-id},
  note   = {Source note cdr-normalization-cucm-global-call-id, checked 2026-09-24}
}

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