We got an ADSl line 3 months ago (021-4342729) as well as ISDN lines (021-4331646). This month we have only been able to use the line 10days out of 31 days, breaking 6 times. The month before we only used the ADSL line 13 days out of the 30 days. We made numerous calls to Telkom, everytime they promise to fix the line but after the technicians leave the problem persists. We are a web based company and therefore in crisis because I am currently paying staff that cannot work. The ISDN line cuts calls and goes off for 5 to 10 minutes at a time... read full review »