Source note · Fax and T.38 in cloud calling
After changing compression to Normal for the 488 T.38 issue, Cisco says the fax device must be restarted for the change to apply.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- Control Hub call experience
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- as of 2024-07-18
- Checked
- 2026-09-24
Sources
- Fix 488 SIP Error for Fax T.38 ReINVITE Rejected by Webex Calling — Cisco · tier 2 current vendor documentation · Solution section; final step
Cite this note
APA
WarmTransfer. (2026, September 24). Fax and T.38 in cloud calling: source note fax-t38-wxc-488-fix-restart. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-t38-wxc-488-fix-restart
BibTeX
@misc{warmtransfer-claim-fax-t38-wxc-488-fix-restart,
title = {Fax and T.38 in cloud calling: source note fax-t38-wxc-488-fix-restart},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/fax-t38-wxc-488-fix-restart},
note = {Source note fax-t38-wxc-488-fix-restart, checked 2026-09-24}
}