Source note · CUBE high availability
Out-of-band DTMF using SIP NOTIFY or KPML is not supported on a call after a CUBE HA switchover.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- CUBE
- Subsystem
- DTMF
- 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 - High Availability on Cisco 4000 Integrated Services Routers and Cisco Catalyst 8000 Series Edge Platforms — Cisco Systems · tier 2 current vendor documentation · Restrictions
Cite this note
APA
WarmTransfer. (2026, September 25). CUBE high availability: source note cube-high-availability-oob-dtmf-post-switchover. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-high-availability-oob-dtmf-post-switchover
BibTeX
@misc{warmtransfer-claim-cube-high-availability-oob-dtmf-post-switchover,
title = {CUBE high availability: source note cube-high-availability-oob-dtmf-post-switchover},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-high-availability-oob-dtmf-post-switchover},
note = {Source note cube-high-availability-oob-dtmf-post-switchover, checked 2026-09-25}
}