Landline Cancelled with Airtime

Telkom has cancelled my landline number *** without any explanation or notice, I have called them numerous time and I got this *** ,on the 2nd of July 2015 I got a sms that my fault have been resolved which is not, I went to a TDS and I was told my number is cancelled but no further explanation, called 10210 and I was also given same explanation but no one can say why my number was cancelled, my next step is to contact Telkom CEO Sipho Maseko