How To Fix T5159 - Wait mode ended with unknown reason code: Inform vendor

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 159

• Message text: Wait mode ended with unknown reason code: Inform vendor

What causes this issue?

CTI vendor returned a non-defined reason code.

System Response

The system cannot process the call correctly in the CIC.

How to fix this error?

Ask the vendor of your CTI product to correct the error.

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.