my line is not installed

my telkom line was meant to be installed on the 15/07/2015 as per the sms i received thy did not install as no one came a guy did come on the 14/07/2015 but just left 20 min after not giving me any feed back i have been waiting for 2 weeks i paid my deposit like i was asked and every time i phone telkom thy give me a different date and bull s**t excuses i spend 40 to 60 min holding for a agent to give me a answer i am sick of this i just want my line installed please and i need installed now i have been waiting 4 years for telkom to fix up the infrastructure in my area and now i have to wait even longer for them to install one line this is bull S**t please can sum one who knows what is going on contact me