Terrible service on voice line installation!!

Its been 2 weeks since I've ordered a voice line installation. Last week a technician by the name of Malozi was assigned to our case for last week Wednesday. We were promised servicing for the whole day. He only arrived at 15:30, whereby we were told that there is no space in the exchange and that a technician will be despatched the next day(because apparently he doesn't consider himself a technician). He promptly left. We have since received no input up until today, where we were scheduled another technician next week Monday(12 October. ). So begins the vicious circle. It is disgusting that your technicians can't get any work done. I demand a technician very very soon. I require the line at an extreme urgency. Ive waited long enough. This Monopolistic service has got to stop...