Cisco's Collaboration 14 preferred architecture defines class of service with the line CSS only and does not use the device CSS for class of service.
Checked 2026-09-30
The recommended design makes use of only the CSS provisioned on the line and does not use the device CSS to define class of service.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- calling search space
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Collaboration 14 preferred architecture
- Checked
- 2026-09-30
Sources
- Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Call Control — Cisco · tier 2 current vendor documentation · Call Control > class of service
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-pa-line-css-cos. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-pa-line-css-cos
BibTeX
@misc{warmtransfer-claim-cucm-call-routing-failures-pa-line-css-cos,
title = {Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-pa-line-css-cos},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-pa-line-css-cos},
note = {Source note cucm-call-routing-failures-pa-line-css-cos, checked 2026-09-30}
}