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

Microsoft's example Teams-to-SBC offer uses RTP/SAVP with a=crypto AES_CM_128_HMAC_SHA1_80, so the SBC leg toward Teams is SRTP with SDES keys.

inferred · Checked 2026-09-30

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

Sources

What's New Direct Routing — Microsoft · tier 2 current vendor documentation · AMR-WB is enabled for Direct Routing trunks on non bypass calls, SDP before/after example

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-teams-offer-crypto. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-teams-offer-crypto

BibTeX

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

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