PATHETC SERVICE - BEING PUSHED FROM PILLAR TO POST

We are a fleet client and spend well over R30 000 per month with Cartrack. We have a lot of shelf units but try getting someone from their scheduling department to contact us is tooooooo much work, they call once and if you miss the call then that is end of it. We have been trying to get this done now for over a month We stand to loose project because of their INCOMPETENCE WE RECEIVE SUCH PATHETIC SERVICE FROM THEM