Source note · Troubleshooting Unified CM Smart Licensing
For direct connection to CSSM, Unified CM needs DNS that resolves tools.cisco.com for Call Home and smartreceiver.cisco.com for Smart Transport.
Checked 2026-10-01
With this option, you must deploy DNS on Unified Communications Manager that can resolve tools.cisco.com for Call Home and smartreceiver.cisco.com for Smart Transport.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- smart-licensing-transport
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-10-01
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Smart Software Licensing — Cisco Systems · tier 2 current vendor documentation · System Licensing Prerequisites > Plan Your System Licensing (Direct option)
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting Unified CM Smart Licensing: source note cucm-smart-licensing-troubleshooting-direct-dns-names. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-smart-licensing-troubleshooting-direct-dns-names
BibTeX
@misc{warmtransfer-claim-cucm-smart-licensing-troubleshooting-direct-dns-names,
title = {Troubleshooting Unified CM Smart Licensing: source note cucm-smart-licensing-troubleshooting-direct-dns-names},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-smart-licensing-troubleshooting-direct-dns-names},
note = {Source note cucm-smart-licensing-troubleshooting-direct-dns-names, checked 2026-10-01}
}