RFC 4594 assigns the Signaling service class the CS5 DSCP (101000, decimal 40).
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- DiffServ service classes
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 4594
- Checked
- 2026-10-02
Sources
- RFC 4594: Configuration Guidelines for DiffServ Service Classes — IETF / RFC Editor · tier 1 standards and regulators · Section 4.2
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-rfc4594-signaling-cs5. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-rfc4594-signaling-cs5
BibTeX
@misc{warmtransfer-claim-voice-qos-troubleshooting-rfc4594-signaling-cs5,
title = {Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-rfc4594-signaling-cs5},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-rfc4594-signaling-cs5},
note = {Source note voice-qos-troubleshooting-rfc4594-signaling-cs5, checked 2026-10-02}
}