Assuming CCX 5.0+ you likely have a permission problem with AXL and CCX is unable to issue the API commands. Re-check your configuration against the installation guide to begin, especially the Application Users created.
Also ensure that that CTI RP or DN does not already exist. CCX will not overwrite a device/DN that already exists. If either are present, change your config or delete them and try again.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...