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

For direct bypass media, Teams clients must reach the SBC's public IP: UDP/SRTP from client ports 50000-50019 to ports defined on the SBC, and back.

Checked 2026-09-30

Vendor: Microsoft
Product: Microsoft Teams Phone
Subsystem: Direct Routing media bypass
Deployment: multi-tenant
Region: not restricted
Release range: current as of 2026-09-30
Checked: 2026-09-30

Sources

Plan for media bypass with Direct Routing — Microsoft · tier 2 current vendor documentation · Requirements for direct media traffic (between the Teams client and the SBC)

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-bypass-client-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-bypass-client-ports

BibTeX

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

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