WebAfrica, a bunch of crooks. I was with them for over 2 years through the MetroFibre Network, and they charged me this cancellation fee as well, claiming that their T & Cs (as provided above by marksmith4x4) clearly lays out this notice to prospective clients, when actually, it totally does...
He's probably lying, or more likely, like most of them, doesn't know what he's talking about. I tried switching to the 2300mhz band, Rain Network stops working. Their speeds are unadulterated RUBBISH - equal to 56k modem. I'm chucking them very soon. They also couldn't give a damn about clients...