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

Cisco's localhost dns:<host.domain> command substitutes a DNS name for the physical IP in the From, Call-ID and Remote-Party-ID headers of outgoing messages, and voice-class sip localhost overrides it per dial-peer.

Checked 2026-09-30

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: SIP headers
Deployment: on-premises
Region: not restricted
Release range: current as of 2026-09-30
Checked: 2026-09-30

Sources

Cisco IOS Voice Command Reference - K through R - L — Cisco · tier 2 current vendor documentation · localhost command entry

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-localhost-dns. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-cube-localhost-dns

BibTeX

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

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