3 months no help

i phoned telkom the 12 of dec 2014 to come and install my line, after a month of struggle they came on the 9th of January 2015, but a few hours later the line didnt work soo i phoned and the said it is for activation purposes and it will be fine in 72 hours, sooo i waited nothing happend i phoned again , and again and again, soo eventually they came on the 14th of february to fix my line, great but now i have the problem of my Internet speed im getting .6mb/s where i am paying for a 2mb/s line and yes telkom did bill me full for the time my line was offline and still billing me full for the slow internet, i sent in a despute , its 2 weeks now and they havent come back to me yet...., sooo on Friday the 6 of march 2015 i made a breakthrough , and they said to me i(promised me) a technician is going to come on Sunday to fix my line , cancelled all my plans, skipped church because telkom is coming, right before 2 i phoned telkom asking them whats going on the technician hasn't come yet, they call the guy let me speak directly to him, he promises me hell be there after the job hes busy with, it is now 7pm 5 hours later, still a no show,...