Left in the Lurch!

I got an upgrade on my contract yesterday, with a new phone and SIM. Unfortunately, I couldn't just transfer the old SIM card into this new phone -- which would have saved me a whole day of misery -- as the old one has now been damaged. I called the \customer call centre"this morning to do a SIM swop and get my phone working. I made the call at about 8.30 this morning and was told I would be called back in two to four hours. Almost EIGHT hours later I have not received a call from Cell C"