Source note · SRST on Cisco IOS XE
Unified SIP SRST on the ISR 4000 was introduced in Unified SRST 10.0 (IOS XE 3.10S) and extended to all ISR 4000 models listed in the chapter in Unified SRST 10.5 (IOS XE 3.13S).
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified SRST
- Subsystem
- platforms
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified SRST 10.0 and later
- Checked
- 2026-09-25
Sources
- Cisco Unified SRST Administration Guide (All Versions) - Cisco Unified SIP SRST on Cisco 4000 Series Integrated Services Router — Cisco Systems · tier 2 current vendor documentation · Cisco Unified SIP SRST on Cisco 4000 Series ISR > Feature information / supported platforms
Cite this note
APA
WarmTransfer. (2026, September 25). SRST on Cisco IOS XE: source note srst-configuration-sip-isr4000-first-release. WarmTransfer. https://warmtransfer.net/knowledge/claims/srst-configuration-sip-isr4000-first-release
BibTeX
@misc{warmtransfer-claim-srst-configuration-sip-isr4000-first-release,
title = {SRST on Cisco IOS XE: source note srst-configuration-sip-isr4000-first-release},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srst-configuration-sip-isr4000-first-release},
note = {Source note srst-configuration-sip-isr4000-first-release, checked 2026-09-25}
}