For an IP phone on Unified CM 11.0, where both device and line carry a CSS, the line CSS takes precedence over the device CSS.
Checked 2026-09-24
As such, the line CSS takes precedence over the device CSS.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- dial plan / calling search spaces
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 11.0 (per tech note Components Used)
- Checked
- 2026-09-24
Sources
- Configure Partition and Calling Search Space — Cisco Systems · tier 2 current vendor documentation · Background Information
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-line-css-precedence-11. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-line-css-precedence-11
BibTeX
@misc{warmtransfer-claim-cucm-dial-plan-line-css-precedence-11,
title = {Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-line-css-precedence-11},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-dial-plan-line-css-precedence-11},
note = {Source note cucm-dial-plan-line-css-precedence-11, checked 2026-09-24}
}