TLS version 1.3 is not supported for the Webex Survivability Gateway operating mode.

Checked 2026-09-30

TLS version 1.3 security feature is not supported for Webex Survivability Gateway operating mode.
Vendor
Cisco
Product
Cisco Unified SRST on IOS XE
Subsystem
certificates
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Troubleshooting Webex Calling survivability failover: source note webex-calling-survivability-troubleshooting-no-tls-13. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-survivability-troubleshooting-no-tls-13

BibTeX

@misc{warmtransfer-claim-webex-calling-survivability-troubleshooting-no-tls-13,
  title  = {Troubleshooting Webex Calling survivability failover: source note webex-calling-survivability-troubleshooting-no-tls-13},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-survivability-troubleshooting-no-tls-13},
  note   = {Source note webex-calling-survivability-troubleshooting-no-tls-13, checked 2026-09-30}
}

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