Claim record · CUCM CDR and CMR field reference
Unified CM publishes call termination cause codes beyond the Q.850 set, marked Cisco specific in the table, including 125 out of bandwidth, 126 call split, 131 Call Control Discovery PSTN failover and a run of IME failure codes through 148.
fact · verified 2026-09-15
126 Call split (Cisco specific)
- 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
- Call Detail Records Administration Guide for Cisco Unified Communications Manager Release 12.5(1), complete book, Internet Archive capture of 2025-03-23 — Cisco Systems, Inc., served by the Internet Archive · tier 2 current vendor documentation · Call Detail Records chapter, Call Termination Cause Codes, Table 12
Cite this claim
APA
WarmTransfer. (2026, September 15). CUCM CDR and CMR field reference: claim cucmcdr-cisco-specific-codes-sit-outside-the-q850-range. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucmcdr-cisco-specific-codes-sit-outside-the-q850-range
BibTeX
@misc{warmtransfer-claim-cucmcdr-cisco-specific-codes-sit-outside-the-q850-range,
title = {CUCM CDR and CMR field reference: claim cucmcdr-cisco-specific-codes-sit-outside-the-q850-range},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucmcdr-cisco-specific-codes-sit-outside-the-q850-range},
note = {Claim cucmcdr-cisco-specific-codes-sit-outside-the-q850-range, verified 2026-09-15}
}