1 week later and still no phone line

I had a line installed in my home on the 27th November, I was told that there was a problem at the exchange but it will be rectified soon and then my phone would start working.<br> it is now a week later and my phone line is still dead. no phone and no ADSL<br> everyday I have been calling 10210 to find out about this but no one can give me a clear answer of what is wrong and when my service will be active.<br> <br> PLEASE FIX ASAP!