Source note · SIP OPTIONS pings and trunk keepalives
When an OPTIONS keepalive fails, CUBE busies out (makes inactive) every dial-peer associated with that profile, so calls can be routed elsewhere.
Checked 2026-09-24
If that ping fails, then all of the associated dial-peers are busied out (inactive) by CUBE.
- Vendor
- Cisco
- Product
- CUBE (IOS XE)
- Subsystem
- SIP trunk monitoring
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.6 onwards
- Checked
- 2026-09-24
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP Trunk Monitoring — Cisco · tier 2 current vendor documentation · section 'Overview'
Cite this note
APA
WarmTransfer. (2026, September 24). SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-cube-busyout. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-options-keepalive-cube-busyout
BibTeX
@misc{warmtransfer-claim-sip-options-keepalive-cube-busyout,
title = {SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-cube-busyout},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-options-keepalive-cube-busyout},
note = {Source note sip-options-keepalive-cube-busyout, checked 2026-09-24}
}