The Unified CM 15 guide shows class of service built with tiered CSSs (Base_CSS, LocalPSTN_CSS, NationalPSTN_CSS, InternationalPSTN_CSS), where each tier adds a partition (PSTN_Local_PT, PSTN_National_PT, PSTN_Intl_PT) to the lower tiers' partitions.

Checked 2026-09-24

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
dial plan / class of service
Deployment
on-premises
Region
not restricted
Release range
15 and SUs
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-class-of-service-example. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-class-of-service-example

BibTeX

@misc{warmtransfer-claim-cucm-dial-plan-class-of-service-example,
  title  = {Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-class-of-service-example},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-dial-plan-class-of-service-example},
  note   = {Source note cucm-dial-plan-class-of-service-example, checked 2026-09-24}
}

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