Microsoft's Direct Routing guidance counts fax machines as analog devices, which connect to Direct Routing through an analog telephony adapter behind the SBC.

Checked 2026-10-02

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
analog devices
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting fax over IP failures: source note fax-over-ip-troubleshooting-teams-fax-analog-dev. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-over-ip-troubleshooting-teams-fax-analog-dev

BibTeX

@misc{warmtransfer-claim-fax-over-ip-troubleshooting-teams-fax-analog-dev,
  title  = {Troubleshooting fax over IP failures: source note fax-over-ip-troubleshooting-teams-fax-analog-dev},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/fax-over-ip-troubleshooting-teams-fax-analog-dev},
  note   = {Source note fax-over-ip-troubleshooting-teams-fax-analog-dev, checked 2026-10-02}
}

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