installed at home and the sound quality is as good as if not better than my current BT line! brilliant. It was a bit of a pain to setup as it required a RJ11 to BT converter with ring capacitor from maplins but wasn't too much bother. And strangely no NAT or DMZ or other router settings were needed to link it into the outside world - bloody brilliant!
I expected there to be some micro delays on the phone conversation - none at all. Quite amazing. My current connection is from
www.sipgate.co.uk as this allows you to sign up without paying anything for a uk phone number.
Cost was - £30 plus vat for the box plus £7 delivery. plus £7 for the connector I purchased from Maplin which is cheaper if purchased on line.
So total cost was around the £50 mark.