Control Hub publishes 17 numbered error conditions for a certificate-based Local Gateway trunk with a verification action for each, 8 of them describing a TLS connection to the Local Gateway failing and 6 describing a TLS connection from the Local Gateway to Webex Calling failing, covering DNS resolution, transport, an invalid or expired or revoked certificate, an invalid or expired certificate authority, a missing FQDN in the common name or subject alternative name, and absent or unsuccessful SIP OPTIONS.

Checked 2026-09-16

Vendor
Cisco
Product
Webex Calling
Subsystem
certificates
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). Certificate lifecycle management for voice: source note certlc-seventeen-documented-tls-failure-conditions. WarmTransfer. https://warmtransfer.net/knowledge/claims/certlc-seventeen-documented-tls-failure-conditions

BibTeX

@misc{warmtransfer-claim-certlc-seventeen-documented-tls-failure-conditions,
  title  = {Certificate lifecycle management for voice: source note certlc-seventeen-documented-tls-failure-conditions},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/certlc-seventeen-documented-tls-failure-conditions},
  note   = {Source note certlc-seventeen-documented-tls-failure-conditions, checked 2026-09-16}
}

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