On the ATA 191/192, if a T.38 call cannot be set up the call automatically reverts to G.711 fallback.

Checked 2026-09-24

If a T.38 call cannot be set up, then the call automatically reverts to G.711 fallback.
Vendor
Cisco
Product
ATA 191
Subsystem
fax
Deployment
multi-tenant, on-premises
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-ata19x-t38-g711-fallback. WarmTransfer. https://warmtransfer.net/knowledge/claims/analog-gateways-ata-ata19x-t38-g711-fallback

BibTeX

@misc{warmtransfer-claim-analog-gateways-ata-ata19x-t38-g711-fallback,
  title  = {Analog gateways ATA and paging devices: source note analog-gateways-ata-ata19x-t38-g711-fallback},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/analog-gateways-ata-ata19x-t38-g711-fallback},
  note   = {Source note analog-gateways-ata-ata19x-t38-g711-fallback, checked 2026-09-24}
}

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