Because Microsoft's Direct Routing analog guidance says nothing about T.38 and defers ATA and SBC configuration to the SBC vendors, fax media handling in Direct Routing appears to be the responsibility of the ATA and SBC rather than a documented Teams capability.

inferred · Checked 2026-09-24

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
analog devices
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Status
inferred
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Fax and T.38 in cloud calling: source note fax-t38-teams-dr-fax-media-at-sbc. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-t38-teams-dr-fax-media-at-sbc

BibTeX

@misc{warmtransfer-claim-fax-t38-teams-dr-fax-media-at-sbc,
  title  = {Fax and T.38 in cloud calling: source note fax-t38-teams-dr-fax-media-at-sbc},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/fax-t38-teams-dr-fax-media-at-sbc},
  note   = {Source note fax-t38-teams-dr-fax-media-at-sbc, checked 2026-09-24}
}

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