Cisco Unified SRST Administration Guide (All Versions) - Cisco Unified Survivable Remote Site Telephony Feature Roadmap

Publisher

Cisco

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cusrst/admin/sccp_sip_srst/configuration/guide/SCCP_and_SIP_SRST_Admin_Guide/srst_roadmap.html

Published

2026-04-25

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco website terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

• The SRST feature roadmap for release 15.0 says a Collaboration Flex subscription is required for ongoing support, alongside the switch to reporting a flex subscription entitlement tag. in context
• Unified SRST 14.3 introduced Webex Survivability Gateway mode, which provides survivability for Webex Calling endpoints as well as Unified CM-registered endpoints. in context
• The SRST feature roadmap lists Unified SRST 15.0 against Cisco IOS XE 17.18.1a, 17.18.2 and a release labelled 26.1.1, adding Cisco Desk Phone 9800 Series support and TLS compliance controls. in context
• Smart Licensing Using Policy was introduced for Unified SRST in release 14.1 (IOS XE 17.3.2 through 17.6.1a timeframe). in context
• The TLS 1.3 support added in SRST 14.4 applies to SCCP analog voice gateways but not to SCCP IP phone endpoints. in context
• The Unified SRST feature roadmap places Webex Survivability Gateway support in SRST 14.3, introduced in IOS XE Cupertino 17.9.1a and Dublin 17.11.1a. disputed in context

Cite this source record

APA

WarmTransfer. (2026, April 25). Cisco Unified SRST Administration Guide (All Versions) - Cisco Unified Survivable Remote Site Telephony Feature Roadmap. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-srst-admin-guide-feature-roadmap

BibTeX

@misc{warmtransfer-cisco-srst-admin-guide-feature-roadmap,
  title  = {Cisco Unified SRST Administration Guide (All Versions) - Cisco Unified Survivable Remote Site Telephony Feature Roadmap},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-srst-admin-guide-feature-roadmap},
  note   = {Cisco, accessed 2026-09-25}
}