Source note · SRST on Cisco IOS XE
With default settings, a fallback-return test should expect idle phones to stay on the SRST router for about two minutes after the WAN is restored, and phones on active calls to stay until those calls end.
inferred · Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified SRST
- Subsystem
- testing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM 15 with SRST, current as of 2026-09-25
- Status
- inferred
- 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 > Connection Monitor Duration; combined with SRST Feature Overview restoration text
Cite this note
APA
WarmTransfer. (2026, September 25). SRST on Cisco IOS XE: source note srst-configuration-fallback-return-delay. WarmTransfer. https://warmtransfer.net/knowledge/claims/srst-configuration-fallback-return-delay
BibTeX
@misc{warmtransfer-claim-srst-configuration-fallback-return-delay,
title = {SRST on Cisco IOS XE: source note srst-configuration-fallback-return-delay},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srst-configuration-fallback-return-delay},
note = {Source note srst-configuration-fallback-return-delay, checked 2026-09-25}
}