Release Notes for Cisco Unified Survivable Remote Site Telephony, 15.0

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cusrst/release/notes/release-notes-for-cisco-unified-survivable-remote-site-telephony.html

Published

2026-04-25

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Cisco documentation; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• IOS XE 17.18.2 adds Unified SRST support on the Cisco 8300 Series Secure Routers. in context
• IOS XE 17.18.1a adds Unified SRST support for the Cisco Desk Phone 9861 and 9871. in context
• Cisco Unified SRST 15.0 ships in IOS XE 17.18.1a, 17.18.2 and 26.1.1. in context
• 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. in context

Cite this source record

APA

WarmTransfer. (2026, April 25). Release Notes for Cisco Unified Survivable Remote Site Telephony, 15.0. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-relnotes-srst-15

BibTeX

@misc{warmtransfer-cisco-relnotes-srst-15,
  title  = {Release Notes for Cisco Unified Survivable Remote Site Telephony, 15.0},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-relnotes-srst-15},
  note   = {Cisco Systems, accessed 2026-09-24}
}