Source note · SRST on Cisco IOS XE
The device pool's SRST reference can be Disable (no fallback attempt), Use Default Gateway (the phone's IP default gateway acts as SRST), or a user-defined SRST reference that names a specific gateway.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- srst-reference
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM 15 and SUs
- Checked
- 2026-09-25
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure SRST — Cisco Systems · tier 2 current vendor documentation · Configure SRST > SRST Overview
Cite this note
APA
WarmTransfer. (2026, September 25). SRST on Cisco IOS XE: source note srst-configuration-cucm-srst-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/srst-configuration-cucm-srst-options
BibTeX
@misc{warmtransfer-claim-srst-configuration-cucm-srst-options,
title = {SRST on Cisco IOS XE: source note srst-configuration-cucm-srst-options},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srst-configuration-cucm-srst-options},
note = {Source note srst-configuration-cucm-srst-options, checked 2026-09-25}
}