Source note · Setting up analog devices and ATAs on Webex Calling
For a VG4xx ATA port connected to a fax machine, enabling T.38 compression on the port overrides the default audio codec.
Checked 2026-09-30
For ports connected to a fax machine, enable T.38 compression to override the default audio codec.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- fax
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Configure your Cisco Voice Gateway VG400, VG410, or VG420 in Control Hub — Cisco · tier 2 current vendor documentation · section on assigning users and workspaces to remaining ports, optional port configuration
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up analog devices and ATAs on Webex Calling: source note webex-calling-analog-ata-setup-vg-t38-port-option. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-analog-ata-setup-vg-t38-port-option
BibTeX
@misc{warmtransfer-claim-webex-calling-analog-ata-setup-vg-t38-port-option,
title = {Setting up analog devices and ATAs on Webex Calling: source note webex-calling-analog-ata-setup-vg-t38-port-option},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-analog-ata-setup-vg-t38-port-option},
note = {Source note webex-calling-analog-ata-setup-vg-t38-port-option, checked 2026-09-30}
}