RFC 4594 says the Telephony service class should use the EF PHB and be configured with a priority queuing system.

Checked 2026-09-24

Vendor
IETF
Product
Differentiated Services
Subsystem
queuing
Deployment
any
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). QoS marking and queuing for voice: source note qos-marking-rfc4594-telephony-pq. WarmTransfer. https://warmtransfer.net/knowledge/claims/qos-marking-rfc4594-telephony-pq

BibTeX

@misc{warmtransfer-claim-qos-marking-rfc4594-telephony-pq,
  title  = {QoS marking and queuing for voice: source note qos-marking-rfc4594-telephony-pq},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/qos-marking-rfc4594-telephony-pq},
  note   = {Source note qos-marking-rfc4594-telephony-pq, checked 2026-09-24}
}

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