Teams users must have a phone number with PSTN calling enabled to use SIP Gateway, and SIP Gateway is not yet available for DoD.

Checked 2026-09-24

Vendor
Microsoft
Product
Teams SIP Gateway
Subsystem
requirements
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Analog gateways ATA and paging devices: source note analog-gateways-ata-sipgw-pstn-number-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/analog-gateways-ata-sipgw-pstn-number-required

BibTeX

@misc{warmtransfer-claim-analog-gateways-ata-sipgw-pstn-number-required,
  title  = {Analog gateways ATA and paging devices: source note analog-gateways-ata-sipgw-pstn-number-required},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/analog-gateways-ata-sipgw-pstn-number-required},
  note   = {Source note analog-gateways-ata-sipgw-pstn-number-required, checked 2026-09-24}
}

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