I have two discrete 'telephone' lines in the house.
One line services all the telephones and second line has a single termination point at a phone jack.

With the introduction of a Telecom NZ broadband service I now have the opportunity to 'merge' the two discrete lines and cancel the second line. This would establish a star topology.

I am considering putting in a DSL splitter next to the NID to split Voice and Data at the point of entry.

This means the phones won't need filters at the termination point(s) and the DSL connection using the second discrete line 'should' be as good as it can be quality wise.

Now the question.

What centralised DSL splitter (Voice and Data) should I use and where in NZ would I be able to purchase said DSL Splitter?

Thanks for any advise.