On CUBE (IOS XE 17.6 onwards) the options-keepalive down-interval defaults to 30 seconds.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- options-keepalive
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.6 onwards
- Checked
- 2026-10-02
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP Trunk Monitoring — Cisco · tier 2 current vendor documentation · Configure SIP Out-of-Dialog OPTIONS Ping Group, step 7
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unified CM SIP trunks that show No Service: source note cucm-sip-trunk-no-service-troubleshooting-cube-down-interval. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sip-trunk-no-service-troubleshooting-cube-down-interval
BibTeX
@misc{warmtransfer-claim-cucm-sip-trunk-no-service-troubleshooting-cube-down-interval,
title = {Troubleshooting Unified CM SIP trunks that show No Service: source note cucm-sip-trunk-no-service-troubleshooting-cube-down-interval},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-sip-trunk-no-service-troubleshooting-cube-down-interval},
note = {Source note cucm-sip-trunk-no-service-troubleshooting-cube-down-interval, checked 2026-10-02}
}