When a calling search space is assigned to both a caller's phone and the caller's directory number, Unified CM 15 concatenates the two to form the caller's effective CSS.
Checked 2026-09-24
If a calling search space is assigned both to the caller's phone and to the caller's directory number, the system concatenates the two to provide the CSS for the caller.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- dial plan / calling search spaces
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-24
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure Partitions — Cisco Systems · tier 2 current vendor documentation · Configure Partitions > Calling Search Space Overview
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-css-concatenation. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-css-concatenation
BibTeX
@misc{warmtransfer-claim-cucm-dial-plan-css-concatenation,
title = {Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-css-concatenation},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-dial-plan-css-concatenation},
note = {Source note cucm-dial-plan-css-concatenation, checked 2026-09-24}
}