Source note · Fax and T.38 in cloud calling
Zoom's OBi fax guidance tells users to lower fax speed (to no less than 9600 bps) and disable Error Correction Mode and compression on the fax machine.
Checked 2026-09-24
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- ATA fax
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Setting up faxing (Poly OBi series ATA) — Zoom · tier 2 current vendor documentation · Fax machine settings step
Cite this note
APA
WarmTransfer. (2026, September 24). Fax and T.38 in cloud calling: source note fax-t38-zoom-obi-fax-machine-settings. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-t38-zoom-obi-fax-machine-settings
BibTeX
@misc{warmtransfer-claim-fax-t38-zoom-obi-fax-machine-settings,
title = {Fax and T.38 in cloud calling: source note fax-t38-zoom-obi-fax-machine-settings},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/fax-t38-zoom-obi-fax-machine-settings},
note = {Source note fax-t38-zoom-obi-fax-machine-settings, checked 2026-09-24}
}