Source note · Fax and T.38 in cloud calling
RingCentral states that T.38 is not guaranteed for every end-to-end connection and recommends testing speed quality and reliability before relying on ATA faxing.
Checked 2026-09-24
The T.38 standard isn't guaranteed for every end-to-end connection.
- Vendor
- RingCentral
- Product
- RingEX
- Subsystem
- ATA fax
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Fax Set Up Analog Telephone Adapter ATA — RingCentral · tier 2 current vendor documentation · Page body; T.38 paragraph
Cite this note
APA
WarmTransfer. (2026, September 24). Fax and T.38 in cloud calling: source note fax-t38-rc-t38-not-guaranteed. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-t38-rc-t38-not-guaranteed
BibTeX
@misc{warmtransfer-claim-fax-t38-rc-t38-not-guaranteed,
title = {Fax and T.38 in cloud calling: source note fax-t38-rc-t38-not-guaranteed},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/fax-t38-rc-t38-not-guaranteed},
note = {Source note fax-t38-rc-t38-not-guaranteed, checked 2026-09-24}
}