IVR: Failed to create Skype COM interface
This error is normally caused by a missing Skype file, which is normally installed under:
C:\Program Files\Common Files\Skype\skype4com.dll
To fix this problem, simply install Skype Extras Manager. Please download the latest Skype and run the installer again. Click the Options button and from the Options Window, select Install Skype Extras Manager as shown below.
Once installed, restart Voicent Gateway or reboot your computer.