Applications do not automatically rehome to the primary CTIManager when it returns to service; they fail back only when the application restarts or the backup CTIManager fails.
Checked 2026-10-02
Applications do not rehome to the primary CTIManager when it comes back in service.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- CTI redundancy
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-10-02
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure CTI Applications — Cisco Systems · tier 2 current vendor documentation · Configure CTI Applications > CTI Redundancy > CTIManager failure (fail-back paragraph)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-no-rehome-to-primary. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-no-rehome-to-primary
BibTeX
@misc{warmtransfer-claim-cucm-cti-troubleshooting-no-rehome-to-primary,
title = {Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-no-rehome-to-primary},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-no-rehome-to-primary},
note = {Source note cucm-cti-troubleshooting-no-rehome-to-primary, checked 2026-10-02}
}