Cases handling.
A case is a customer's problem, or a question.
You can create a document with "Ticket" type. The Documents list can be easily filtered to view all open Tickets. Besides you can assign each ticket to any support specialist and control it status in real-time.
How can I quickly find the solution
for the case?
You can pick out the solutions in the Library section with the help of the Filter sidebar.
How can I automate handling cases
in Terrasoft CRM?
You can use support processes, built in the Process Builder. See Service processes