Vodacom.. Where is your service!!!

I dont know what to do!! I am trying to cancel my Vodacom contract, they no longer have an email service, I cannot use the self help as I am currently out of South Africa and the call quality phoning the helpline is soo bad, no one can hear me!! I have spent over R100 trying to call the ONLY number that is offered. I got through to 3 agents requested the cancellation figures over the past 3 weeks and to date have received NO cancelation letter per email. PLEASE VODACOM EMAIL ME!! I need to cancel my contract and NO LONGER HAVE MY SA number active- you will NOT BE ABLE TO CALL MY VODACOME NUMBER to contact me!!. PM me and I will send you the cell number and email address. I cant believe this can be sooo hard to do!!!