Not every Unified CM device is CTI-controllable; the JTAPI guide's CTI Supported Devices appendix marks analog phones and several legacy models as not supported, so check it before troubleshooting configuration.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unified CM JTAPI
- Subsystem
- CTI supported devices
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-10-02
Sources
- Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs - CTI Supported Devices — Cisco Systems · tier 2 current vendor documentation · CTI Supported Devices appendix > device matrix
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-not-all-devices-cti. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-not-all-devices-cti
BibTeX
@misc{warmtransfer-claim-cucm-cti-troubleshooting-not-all-devices-cti,
title = {Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-not-all-devices-cti},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-not-all-devices-cti},
note = {Source note cucm-cti-troubleshooting-not-all-devices-cti, checked 2026-10-02}
}