Source note · Setting up CUBE as a Microsoft Teams Direct Routing SBC

When OPTIONS keepalive fails for every destination of a dial-peer, CUBE marks that dial-peer inactive (busyout); status is shown by show voice class sip-options-keepalive <id>, show dial-peer voice summary and show dial-peer voip keepalive status <tag>.

Checked 2026-09-30

A dial-peer is marked as busyout, only if all the destinations in the dial-peer have a heartbeat failure and fail to respond.

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: OOD OPTIONS ping
Deployment: on-premises
Region: not restricted
Release range: IOS XE 17.6 onwards
Checked: 2026-09-30

Sources

Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP Trunk Monitoring — Cisco · tier 2 current vendor documentation · Feature description; verification section

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-cube-keepalive-busyout. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-cube-keepalive-busyout

BibTeX

@misc{warmtransfer-claim-cube-teams-direct-routing-setup-cube-keepalive-busyout,
  title  = {Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-cube-keepalive-busyout},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-cube-keepalive-busyout},
  note   = {Source note cube-teams-direct-routing-setup-cube-keepalive-busyout, checked 2026-09-30}
}

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