Great - everything is a lot clearer now.

One last thing thought. What types of telephone module are there?

Obviously there is the ULF module, and the TCU module i need to fit (with bluetooth), but what other ones are there?

I'm assuming my car doesn't have bluetooth, because it has a slot to put a sim card in. But could it be a case of removing the eject box and adding a bluetooth antenna?

I'll have time tonight to try and finde the telephone module in my range rover (in the boot maybe) but i think it will only have Land Rover part number on it