Cisco documents building classes of service from partitions and CSSs, with an example ladder of Base_CSS (emergency and internal), LocalPSTN_CSS, NationalPSTN_CSS and InternationalPSTN_CSS, each adding call types to the previous one.

Checked 2026-09-24

You can use partitions and calling search spaces (CSS) to configure classes of service.
Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
class of control
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM route patterns and partitions configuration: source note cucm-config-route-patterns-and-partitions-cos-tiers. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-config-route-patterns-and-partitions-cos-tiers

BibTeX

@misc{warmtransfer-claim-cucm-config-route-patterns-and-partitions-cos-tiers,
  title  = {Unified CM route patterns and partitions configuration: source note cucm-config-route-patterns-and-partitions-cos-tiers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-config-route-patterns-and-partitions-cos-tiers},
  note   = {Source note cucm-config-route-patterns-and-partitions-cos-tiers, checked 2026-09-24}
}

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