CUBE sends an error code when a call spike rejects a call, and that error code is configurable.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Border Element (CUBE)
Subsystem
Call Admission Control - call spike
Deployment
on-premises
Region
not restricted
Release range
Cisco IOS XE 17.6 onwards
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-cube-call-spike-error-code. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-cube-call-spike-error-code

BibTeX

@misc{warmtransfer-claim-sip-scanning-tdos-cube-call-spike-error-code,
  title  = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-cube-call-spike-error-code},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-cube-call-spike-error-code},
  note   = {Source note sip-scanning-tdos-cube-call-spike-error-code, checked 2026-09-25}
}

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