In the Cisco compatibility matrix, the JTAPI 15(x) client is listed as compatible only with Unified CM 15(x), not with 14(x) or 12.5(x).
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unified CM JTAPI
- Subsystem
- Version compatibility
- Deployment
- on-premises
- Region
- not restricted
- Release range
- JTAPI 15(x)
- Checked
- 2026-10-02
Sources
- JTAPI/UCM Compatibility Matrix - JTAPI - Cisco DevNet — Cisco DevNet · tier 2 current vendor documentation · JTAPI/UCM Compatibility Matrix > row JTAPI 15(x)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-jtapi-15-only-cucm-15. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-jtapi-15-only-cucm-15
BibTeX
@misc{warmtransfer-claim-cucm-cti-troubleshooting-jtapi-15-only-cucm-15,
title = {Troubleshooting CTI applications that cannot control phones in Unified CM: source note cucm-cti-troubleshooting-jtapi-15-only-cucm-15},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-cti-troubleshooting-jtapi-15-only-cucm-15},
note = {Source note cucm-cti-troubleshooting-jtapi-15-only-cucm-15, checked 2026-10-02}
}