Source note · Troubleshooting fax over IP failures
On Cisco gateways the fax rate voice setting restricts the fax rate to the bandwidth of the configured voice codec; an explicit value such as fax rate 14400 overrides that limit.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco IOS voice gateways
- Subsystem
- fax rate
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Troubleshoot Fax Relay — Cisco Systems · tier 2 current vendor documentation · Fax rate section
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting fax over IP failures: source note fax-over-ip-troubleshooting-fax-rate-voice-cap. WarmTransfer. https://warmtransfer.net/knowledge/claims/fax-over-ip-troubleshooting-fax-rate-voice-cap
BibTeX
@misc{warmtransfer-claim-fax-over-ip-troubleshooting-fax-rate-voice-cap,
title = {Troubleshooting fax over IP failures: source note fax-over-ip-troubleshooting-fax-rate-voice-cap},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/fax-over-ip-troubleshooting-fax-rate-voice-cap},
note = {Source note fax-over-ip-troubleshooting-fax-rate-voice-cap, checked 2026-10-02}
}