Diagnosis
You wanted to hang up all calls to connection &V1&. But an erroroccurred, meaning that you could not hang up all of the calls.
Further information on the external software component:
V3

Procedure
If possible, check which calls are still active in the call overview.Perhaps refresh the call overview and end the calls one at a time.

Procedure for System Administration
The error can occur in 2 different places:
1. In the connected gateway
2. In the underlying CTI software
In this case the error occurred in (&V4&).
The return code for the underlying CTI software is: &V2&