Source note · Poly phones on Teams and Webex and Zoom
For Teams SIP Gateway, Poly ATA 400 and ATA 402 are listed at firmware 4.0.1.6480, and Poly OBi 300 and OBi 302 have minimum firmware 3.2.4.8441 and approved firmware 3.2.5.8732; all four support only static location.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams SIP Gateway
- Subsystem
- device firmware
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Plan SIP Gateway — Microsoft · tier 2 current vendor documentation · Compatible devices table, Poly rows ATA 400, ATA 402, OBi 300, OBi 302 and footnote 3
Cite this note
APA
WarmTransfer. (2026, September 25). Poly phones on Teams and Webex and Zoom: source note poly-phones-uc-sipgw-ata-obi-fw. WarmTransfer. https://warmtransfer.net/knowledge/claims/poly-phones-uc-sipgw-ata-obi-fw
BibTeX
@misc{warmtransfer-claim-poly-phones-uc-sipgw-ata-obi-fw,
title = {Poly phones on Teams and Webex and Zoom: source note poly-phones-uc-sipgw-ata-obi-fw},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/poly-phones-uc-sipgw-ata-obi-fw},
note = {Source note poly-phones-uc-sipgw-ata-obi-fw, checked 2026-09-25}
}