Certa stores the history of the network model. You can see what the network looked like when a service outage occurred and what was done to restore the service, step by step. Calculations and audits on customer service levels can also be carried out. Follow-ups on the history of each network element can be performed, without losing any assets. We also follow-up company investments and are able to control customers who are connected and disconnected over a period of time. With help of Certa, you can measure a company’s performance.