It been so long

Google for some info and it seems this has 6 Volumes (Complete) in Japan.
But for English translation it has stopped. I wonder why?

It got licensed then dropped.

But Baka-updates said it's not licensed in English yet. They should update the info then :/
https://www.mangaupdates.com/series.html?id=1840

It was licensed about 15 years ago. The first book came out in 2007 and last in 2010. The English publisher Blu went under in 2011. It is mentioned on the Mangaupdates page below where it says it is not licensed it mentions 3 volumes published.

I own all 3.

https://en.wikipedia.org/wiki/Voice_or_Noise?wprov=sfla1

Since then for about 10 years it has languished in scan limbo hell. 5 years ago Canis put out volume 4, but no one has done the last 2 volumes.

Thanks