Source note · QoS marking and queuing for voice
Signaling DSCP is not consistent across the sources. RFC 4594 and Teams use CS5, the Cisco Collaboration PA and Webex devices use CS3, and the Webex App uses CS0. A single signaling class-map will therefore not match all vendors.
inferred · Checked 2026-09-24
- Vendor
- multiple
- Product
- multiple
- Subsystem
- QoS
- Deployment
- any
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Status
- inferred
- Checked
- 2026-09-24
Sources
- RFC 4594: Configuration Guidelines for DiffServ Service Classes — IETF / RFC Editor · tier 1 standards and regulators · Figure 3; compare ms-learn-qos-in-teams Step 3, cisco-pa-collab14-bandwidth-management marking table, cisco-help-b2exve-port-reference QoS section
Cite this note
APA
WarmTransfer. (2026, September 24). QoS marking and queuing for voice: source note qos-marking-signaling-dscp-varies. WarmTransfer. https://warmtransfer.net/knowledge/claims/qos-marking-signaling-dscp-varies
BibTeX
@misc{warmtransfer-claim-qos-marking-signaling-dscp-varies,
title = {QoS marking and queuing for voice: source note qos-marking-signaling-dscp-varies},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/qos-marking-signaling-dscp-varies},
note = {Source note qos-marking-signaling-dscp-varies, checked 2026-09-24}
}