Source note · Setting up CUBE for a carrier SIP trunk
CUBE counts any response to an OPTIONS ping (503, 200 OK and so on) as reachable and busies out the dial-peer only after the retry count is exhausted with no response.
Checked 2026-09-25
CUBE monitors all the destinations irrespective of the response (503, 200 OK, and so on) that it receives.
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- SIP trunk monitoring
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Cisco 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; response handling and busyout
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-options-busyout. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-options-busyout
BibTeX
@misc{warmtransfer-claim-cube-carrier-trunk-setup-options-busyout,
title = {Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-options-busyout},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-options-busyout},
note = {Source note cube-carrier-trunk-setup-options-busyout, checked 2026-09-25}
}