Placetel CTI für Salesforce

You could change in the page layout for Leads, Accounts, Contacts and cases the related list Activity History and add the field call result. This will give the user the result of the call while checking the task list.

 

Salesforce Classic and Service Cloud

in the Activity History list, add the field: Call Result

 

The user will see the result in the activity history list

Salesforce Lightning

Create a new compact layout for tasks.

 

Add the field Call Result

 

The user will see the result in the activity history list