Call Centre

They are answering calls, you hear them speaking in the background but they leave the call to run as if they want you to drop the call they are extremely poor in ethic, then eventually the person dropped the call and this person needs to be managed taking up spots in employment but are extremely *********, who manages UNISA's Call Centre? Please do an investigation on dropped/hang up calls between 30 secs & 2mins and you will see your agents answering calls and just letting it hang in dead air, I despise the behaviour, laziness and brand damaging.