Source note · SIP OPTIONS pings and trunk keepalives
From Cisco IOS XE Cupertino 17.9.1a, CUBE can use OPTIONS keepalive to monitor every SRV host behind a DNS destination and spreads calls across those hosts by SRV priority and keepalive status.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- CUBE (IOS XE)
- Subsystem
- SIP trunk monitoring
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.9.1a and later
- 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 · sections 'OPTIONS Ping for DNS SRV Hosts' and 'Load Balancing for DNS SRV Hosts'
Cite this note
APA
WarmTransfer. (2026, September 24). SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-cube-srv-17-9-1a. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-options-keepalive-cube-srv-17-9-1a
BibTeX
@misc{warmtransfer-claim-sip-options-keepalive-cube-srv-17-9-1a,
title = {SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-cube-srv-17-9-1a},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-options-keepalive-cube-srv-17-9-1a},
note = {Source note sip-options-keepalive-cube-srv-17-9-1a, checked 2026-09-24}
}