Source note · CUBE high availability
The CUBE stateful switchover chapter states that calls on hold/resume, transfer and conference are preserved across switchover and that primary and forked call legs are checkpointed.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- CUBE
- Subsystem
- stateful switchover
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.6 onwards; current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Stateful Switchover Between Redundancy Paired Intra or Inter-box Devices — Cisco Systems · tier 2 current vendor documentation · Checkpointing / preserved call flows
Cite this note
APA
WarmTransfer. (2026, September 25). CUBE high availability: source note cube-high-availability-sso-preserved-midcall. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-high-availability-sso-preserved-midcall
BibTeX
@misc{warmtransfer-claim-cube-high-availability-sso-preserved-midcall,
title = {CUBE high availability: source note cube-high-availability-sso-preserved-midcall},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-high-availability-sso-preserved-midcall},
note = {Source note cube-high-availability-sso-preserved-midcall, checked 2026-09-25}
}