Source note · Inventorying a legacy PBX before migration
To use Teams SIP Gateway, a Teams user must have a phone number with PSTN calling enabled.
Checked 2026-10-14
Teams users must have a phone number with PSTN calling enabled to use SIP Gateway.
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- SIP Gateway
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Plan SIP Gateway — Microsoft · tier 2 current vendor documentation · Plan SIP Gateway > Requirements to use SIP Gateway
Cite this note
APA
WarmTransfer. (2026, October 14). Inventorying a legacy PBX before migration: source note pbx-discovery-inventory-sgw-needs-pstn-number. WarmTransfer. https://warmtransfer.net/knowledge/claims/pbx-discovery-inventory-sgw-needs-pstn-number
BibTeX
@misc{warmtransfer-claim-pbx-discovery-inventory-sgw-needs-pstn-number,
title = {Inventorying a legacy PBX before migration: source note pbx-discovery-inventory-sgw-needs-pstn-number},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/pbx-discovery-inventory-sgw-needs-pstn-number},
note = {Source note pbx-discovery-inventory-sgw-needs-pstn-number, checked 2026-10-14}
}