Limitations

Trading and C&C > Turret Proxy To Open communication (TPO) > DDI Sharing > DDI Timeout Forwarding > DND presence state on no subscribers

•This feature is only available on Cisco CuCM and Skype For Business

•All devices used for TPO DDI place must contain only one line extension.

•This feature is enabled only if the option 'Incoming Auto Forward Delay' is 'When no-one has subscribed' and 'Incoming Auto Forward Target' is empty (and it is not the default value "0").