Five9 applies Diffserv QoS markings to SIP and RTP it sends toward customer networks but does not mark packets from workstations toward Five9, so the customer must mark that traffic at the workstation or on network equipment.

Checked 2026-09-25

Vendor
Five9
Product
Five9 Virtual Contact Center
Subsystem
network
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Connecting Unified CM to Five9: source note cucm-with-five9-qos-marking. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-with-five9-qos-marking

BibTeX

@misc{warmtransfer-claim-cucm-with-five9-qos-marking,
  title  = {Connecting Unified CM to Five9: source note cucm-with-five9-qos-marking},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-with-five9-qos-marking},
  note   = {Source note cucm-with-five9-qos-marking, checked 2026-09-25}
}

Read in context