How To Fix T5518 - Specify site or server AND extension or user

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 518

• Message text: Specify site or server AND extension or user

What causes this issue?

Entries are missing for the query of extension numbers authorizations.

How to fix this error?

To query extension numbers authorizations, enter the following:
A site OR a telephony server
AND
An extension OR a user.
By specifying an extension or a user, you determine the type of query:
Extension
Who can assign themselves this extension number?
User
Which extension numbers can this user assign themselves?

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.