Vodacom Nightmare

I recently took out a contract with them which was a smooth process,until I realised I can't tell who's calling me,when brought to vodacom's attention I was told my caller line identity would be activated at an additional R10 a month to my contract,it felt very unfair seeing they did not disclose this when I took out my contract with them(I'm still answering 'unknown' calls as that little is alot for me given the tough economic climate every rand really does count for me)Now I'm getting calls from people alleging to be from A1 and the NCR and I can clearly hear they calling me from a public setting with such horrible background noise,now imagine these are possible ******** who have my name,my numbers and possibly my address and identity number.I DO NOT RECOMMEND TAKING A CONTRACT WITH VODACOM your information clearly won't be safe as all those calls I've received keep mentioning one name when they call "vodacom" .I'm planning on canceling my contract and never using their services again this has been a nightmare for me even worse it's my very first contract phone they've made me regret taking it out.STAY AWAY rather use a different provider,they overpriced anyway and don't disclose other hidden charges!