Source note · Remote site survivability patterns

In IOS XE 26.1.1, Unified SRST's default configuration no longer supports insecure TLS versions 1.0 and 1.1 or the discontinued ciphers.

Checked 2026-09-24

Insecure TLS versions (v1.0, v 1.1) and ciphers are not supported in default configurations.

Vendor: Cisco
Product: Cisco Unified SRST
Subsystem: secure-srst
Deployment: on-premises
Region: not restricted
Release range: IOS XE 26.1.1 and later
Checked: 2026-09-24

Sources

Release Notes for Cisco Unified Survivable Remote Site Telephony, 15.0 — Cisco Systems · tier 2 current vendor documentation · New features, Cisco IOS XE 26.1.1

Cite this note

APA

WarmTransfer. (2026, September 24). Remote site survivability patterns: source note survivability-remote-site-srst15-tls-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/survivability-remote-site-srst15-tls-default

BibTeX

@misc{warmtransfer-claim-survivability-remote-site-srst15-tls-default,
  title  = {Remote site survivability patterns: source note survivability-remote-site-srst15-tls-default},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/survivability-remote-site-srst15-tls-default},
  note   = {Source note survivability-remote-site-srst15-tls-default, checked 2026-09-24}
}

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