Source note · Cross-platform CDR normalization model
Clearing causes cannot be compared across platforms without a mapping step, because Unified CM reports Q.850 plus Cisco-defined causes while Teams Direct Routing reports SIP final codes plus Microsoft subcodes; RFC 3326 lets SIP carry both but defines no one-to-one mapping.
inferred · Checked 2026-09-24
- Vendor
- multi-vendor
- Product
- CDR normalisation model
- Subsystem
- disconnect cause
- Deployment
- on-premises, multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Status
- inferred
- Checked
- 2026-09-24
Sources
- RFC 3326: The Reason Header Field for the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Reason header protocol values; with cisco-cucm-cdr-field-descriptions-15 rows origCause_value/destCause_value and ms-graph-directroutinglogrow-resource row finalSipCode
Cite this note
APA
WarmTransfer. (2026, September 24). Cross-platform CDR normalization model: source note cdr-normalization-cause-code-spaces-differ. WarmTransfer. https://warmtransfer.net/knowledge/claims/cdr-normalization-cause-code-spaces-differ
BibTeX
@misc{warmtransfer-claim-cdr-normalization-cause-code-spaces-differ,
title = {Cross-platform CDR normalization model: source note cdr-normalization-cause-code-spaces-differ},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cdr-normalization-cause-code-spaces-differ},
note = {Source note cdr-normalization-cause-code-spaces-differ, checked 2026-09-24}
}