For reorder on gateway calls, Cisco lists restricted or blocked numbers, out-of-service numbers and PSTN equipment problems as causes, and advises an SDI trace plus review of the Q.931 disconnect.

Checked 2026-09-30

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
gateways
Deployment
on-premises
Region
not restricted
Release range
12.5(1) as documented
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-gateway-reorder-causes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-gateway-reorder-causes

BibTeX

@misc{warmtransfer-claim-cucm-call-routing-failures-gateway-reorder-causes,
  title  = {Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-gateway-reorder-causes},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-gateway-reorder-causes},
  note   = {Source note cucm-call-routing-failures-gateway-reorder-causes, checked 2026-09-30}
}

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