Telkom line not working every few weeks for a year now

I took out a line the beginning of November 2017. the line was working until the 13th of April 2018. ever since then I have to log calls every week or so for my line being down. Ive requested Telkom to come and replace my line but I keep being told that I must just log a call. Telkom might not charge me for the time that my line is down but I cannot continue like this. its almost a year and I have to log calls every so often for the line being down. I need this sorted asap.