They dont want to me to cancel all my contract, Once you are on Telkom contract, very difficult to come out

I received an sms saying "your contract ends soon and your contract there are options available and if you want to cancel I can call 081180 or 10213. "

I called those numbers and they say I must go to website. I logged into my profile and went to cancellation option. This is what I received "We are sorry to see you go!, For cancellation request Give us a call and a Telkom consultant will help you. For mobile services call 081180"

What kind of game is this?

First of all who signed a contract where it says when contract expires, it will be month to month?

I had two contracts and one already expired, please can I get a confirmation that such contract is cancelled and the one which is about to expire will not continue on month to month basis? I need a confirmation as I dont have any intention of continuing with contract? I CANNOT CALL TELKOM AND THEY REFER ME TO WEBSITE AND WHEN I GO TO WEBSITE THEY REFER ME TO CALL.