CodeYellow indicates that Unified CM has started call throttling because of unacceptably high delay in handling calls.

Checked 2026-09-25

This alarm indicates that Unified Communications Manager initiated call throttling due to unacceptably high delay in handling calls.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
Voice/Video alerts
Deployment
on-premises
Region
not restricted
Release range
Release 14 and 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM RTMT alerts and monitoring: source note cucm-rtmt-alerts-codeyellow-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-rtmt-alerts-codeyellow-def

BibTeX

@misc{warmtransfer-claim-cucm-rtmt-alerts-codeyellow-def,
  title  = {Unified CM RTMT alerts and monitoring: source note cucm-rtmt-alerts-codeyellow-def},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-rtmt-alerts-codeyellow-def},
  note   = {Source note cucm-rtmt-alerts-codeyellow-def, checked 2026-09-25}
}

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