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

CUBE ICE-Lite is configured with voice class stun-usage <tag> and 'stun usage ice lite', and Cisco lists IPv6, ANAT, codec transparent, SDP passthrough, media flow-around, MTP and TCL/VXML scripts as unsupported with it.

Checked 2026-09-30

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: ICE-Lite
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: ICE-Lite Support — Cisco · tier 2 current vendor documentation · Restrictions; Configuring ICE-Lite

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-ice-lite. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-cube-ice-lite

BibTeX

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

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