Caller Line Identity NOT active

<p>I've been struggling since Friday 5 August to get somebody to fix my caller line identity when I receive phone calls.</p> <p>I've phoned 7 different people at Vodacom Customer Care and everytime they advise that it's been activated and I should give it 1 to 24 hours to be fixed. It is still yet not resolved.</p> <p>The problem I have is that whenever I receive ANY call from anywhere it shows on my phone as 'ÜNKNOWN"</p> <p>First of all I did not make any changes to my mobile phone settings and everything was working 100% untill last week then I started receiving phone calls as UNKNOWN! Why did Vodacom make these changes without notifying me? And why can't they fix it again?</p> <p> </p> <p>Please advise ASAP!!</p>