Delta branch of Menatel has lower quality of service (QS) compared to other branches. Analysis identified the main problems as:
1. High percentage (77%) of alarms due to lines being not connected (NK category).
2. Second highest percentage (17%) of alarms from out of order incidents (OOI category).
3. Key causes of the lower QS were identified as people (50%), lack of preventative maintenance (30%) and performance issues with the Payphone Management System software (20%).
4. A benchmarking analysis found Delta branch had fewer resources like technicians, vehicles and lines installed per exchange compared to higher performing branches. Addressing resource allocation and improving maintenance and software could