How To Fix T5085 - Error while accessing telephony software: Test is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 085

• Message text: Error while accessing telephony software: Test is not possible

What causes this issue?

An attempt was made to access the external telephony software with the
help of the settings. Access was not possible.
Further information on the external telephony software:
&V1&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the following settings:
Telephony server: Is the correct RFC destination assigned to the
server?
RFC destination: Do the entries specify the right access to the
external server?
External software: Is the software installed and ready for operation?

Error message extract from SAP system. Copyright SAP SE.