Source note · SIP trunk redundancy and failover design
When a CUBE dial-peer target resolves by DNS SRV, CUBE establishes out-of-dialog keepalive sessions with each resolved host and can distribute calls across the ones that are active.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- SIP trunk monitoring
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.6 onwards
- Checked
- 2026-09-25
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP Trunk Monitoring — Cisco · tier 2 current vendor documentation · SIP Trunk Monitoring, DNS SRV section
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-cube-srv-each-host. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-cube-srv-each-host
BibTeX
@misc{warmtransfer-claim-sip-trunk-redundancy-design-cube-srv-each-host,
title = {SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-cube-srv-each-host},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-cube-srv-each-host},
note = {Source note sip-trunk-redundancy-design-cube-srv-each-host, checked 2026-09-25}
}